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12 Foods and Drinks That Will Keep You Up at Night

12 Foods and Drinks That Will Keep You Up at Night


How did you sleep last night? We hope you slept like a baby, since the medical benefits of a good night's rest simply cannot be overemphasized. “Sleep is vital for allowing your brain to regenerate after a long day, and being well-rested helps to keep your body healthy and trim,” explains Dr. Robert Glatter, attending physician in the Department of Emergency Medicine at Lenox Hill Hospital in New York City. “The end result is lower blood pressure and a more favorable lipid profile, reducing your risk of metabolic syndrome, which is associated with elevated cholesterol and central abdominal fat. This, in turn, reduces your risk of a heart attack.”

Dr. Glatter goes on to explain that “What we eat and our resulting quality of sleep can also provide insight‎ into the relationship to obesity. Just as a balanced diet can help produce better sleep quality, it's clear that those who sleep better — i.e. for more total hours — seem to be better able to maintain their body weight. We know that lack of sleep in fact stimulates production of a hormone called ghrelin ‎which can lead to overeating. The more hours you sleep, the fewer calories you will consume the following day.”

According to Dr. Glatter, a good night’s rest may also help to “reduce stress, reduce risk for depression, anxiety, and other mood disorders, and help improve memory and ability to focus and stay on task the following day, which can have a greater positive impact on life expectancy."

All that sounds absolutely dreamy, but can we really make a good night's sleep a daily feature in our lives? Sadly, getting a decent amount of shut-eye often proves to be elusive. According to the National Sleep Foundation, over 48 million American adults have reported suffering from insomnia at some point in their lives. Everything from the temperature in your bedroom, to muscle pain, to the amount of light shining out from our digital gadgets and gizmos, will have an impact on the quality of your sleep.

What you eat during the day has a huge effect on how you’ll sleep that night. “The bottom line is that our diet has a direct relationship to how well we sleep,” saysDr. Glatter. “While most people realize that eating a large meal before bedtime is a bad idea, we now understand that not eating for three hours before bed is optimal for getting a more restful night's sleep. This will allow your body to decompress and more effectively release melatonin, a hormone released in the brain, which promotes sleep.”

If you’ve been struggling to get a good night's sleep, read on as our experts reveal the 12 foods and drinks you should try to avoid before hitting the sack. Take their advice and hopefully you will be sleeping like a baby tonight!

This article was originally published on March 10th 2015.


8 Foods And Drinks That Will Make You Focus

Are you zoning out right now? You're reading this article instead of doing your actual job, aren't you? We've all been there. But good news: Stopping the cycle of procrastination could be as simple as having a snack&mdashand no, we don't mean heading to the vending machine for your 3 p.m. M&M fix.

Turns out, there are foods and drinks proven to snap you out of your funk&mdashor prevent it altogether&mdashthat won't leave you in a groggy stupor moments later. Here, Jen McDaniel, RD, spokesperson for the Academy of Nutrition and Dietetics, shares some of her favorite edible ways to power through your day and keep the cute animal videos to a minimum (except maybe this one&mdashit's amazing).

1. Coffee + Cinnamon
Sure, it might seem obvious that coffee would perk you up and help you focus, but did you know that two to three daily cups have been linked to both long- and short-term improvements in memory? Bolster its brain-boosting effects even further by adding a few dashes of cinnamon&mdasha 2009 study found that even just the smell of this spice can lead to increased feelings of alertness and decreased frustration. (Cook quick meals at home that taste great and fight fat! Sign up for Chef'd and get all the ingredients and recipes delivered to your doorstep.)

2. Green Tea

3. The Right Breakfast
It's the most important meal of the day, after all. McDaniel's top picks: fiber-packed oatmeal and protein-packed eggs. They offer up an even stream of energy, compared with more processed, refined picks like corn flakes, bagels, or nutrition bars. Don't even think about a donut&mdashyou'll be asleep at your desk by 10 a.m. (Check out these 11 egg recipes like you've never had.)

4. Berries
Not only has eating more darkly pigmented fruits like blueberries been associated with a reduced risk of Alzheimer's, but some studies show that eating them can actually boost concentration and memory up to 5 hours later. Just thank all those antioxidants, which increase blood flow (and thus, oxygen) to the brain, making mental tasks easier. Try adding them to your morning oatmeal or afternoon salad.

5. Dark Chocolate or Cocoa Powder

6. Water + Lemon
Some jazzed up water may be all you need&mdashstudies show that dehydration can mess with memory and overall brain functioning big-time, while other research has found that the scent of lemon improves performance on tasks that require a great deal of concentration.

8. Peppermint Tea
Even without caffeine, this tasty brew can perk up your brain. Studies have found that the scent of peppermint is associated with reduced anxiety and fatigue, and enhanced motivation and performance.


8 Foods And Drinks That Will Make You Focus

Are you zoning out right now? You're reading this article instead of doing your actual job, aren't you? We've all been there. But good news: Stopping the cycle of procrastination could be as simple as having a snack&mdashand no, we don't mean heading to the vending machine for your 3 p.m. M&M fix.

Turns out, there are foods and drinks proven to snap you out of your funk&mdashor prevent it altogether&mdashthat won't leave you in a groggy stupor moments later. Here, Jen McDaniel, RD, spokesperson for the Academy of Nutrition and Dietetics, shares some of her favorite edible ways to power through your day and keep the cute animal videos to a minimum (except maybe this one&mdashit's amazing).

1. Coffee + Cinnamon
Sure, it might seem obvious that coffee would perk you up and help you focus, but did you know that two to three daily cups have been linked to both long- and short-term improvements in memory? Bolster its brain-boosting effects even further by adding a few dashes of cinnamon&mdasha 2009 study found that even just the smell of this spice can lead to increased feelings of alertness and decreased frustration. (Cook quick meals at home that taste great and fight fat! Sign up for Chef'd and get all the ingredients and recipes delivered to your doorstep.)

2. Green Tea

3. The Right Breakfast
It's the most important meal of the day, after all. McDaniel's top picks: fiber-packed oatmeal and protein-packed eggs. They offer up an even stream of energy, compared with more processed, refined picks like corn flakes, bagels, or nutrition bars. Don't even think about a donut&mdashyou'll be asleep at your desk by 10 a.m. (Check out these 11 egg recipes like you've never had.)

4. Berries
Not only has eating more darkly pigmented fruits like blueberries been associated with a reduced risk of Alzheimer's, but some studies show that eating them can actually boost concentration and memory up to 5 hours later. Just thank all those antioxidants, which increase blood flow (and thus, oxygen) to the brain, making mental tasks easier. Try adding them to your morning oatmeal or afternoon salad.

5. Dark Chocolate or Cocoa Powder

6. Water + Lemon
Some jazzed up water may be all you need&mdashstudies show that dehydration can mess with memory and overall brain functioning big-time, while other research has found that the scent of lemon improves performance on tasks that require a great deal of concentration.

8. Peppermint Tea
Even without caffeine, this tasty brew can perk up your brain. Studies have found that the scent of peppermint is associated with reduced anxiety and fatigue, and enhanced motivation and performance.


8 Foods And Drinks That Will Make You Focus

Are you zoning out right now? You're reading this article instead of doing your actual job, aren't you? We've all been there. But good news: Stopping the cycle of procrastination could be as simple as having a snack&mdashand no, we don't mean heading to the vending machine for your 3 p.m. M&M fix.

Turns out, there are foods and drinks proven to snap you out of your funk&mdashor prevent it altogether&mdashthat won't leave you in a groggy stupor moments later. Here, Jen McDaniel, RD, spokesperson for the Academy of Nutrition and Dietetics, shares some of her favorite edible ways to power through your day and keep the cute animal videos to a minimum (except maybe this one&mdashit's amazing).

1. Coffee + Cinnamon
Sure, it might seem obvious that coffee would perk you up and help you focus, but did you know that two to three daily cups have been linked to both long- and short-term improvements in memory? Bolster its brain-boosting effects even further by adding a few dashes of cinnamon&mdasha 2009 study found that even just the smell of this spice can lead to increased feelings of alertness and decreased frustration. (Cook quick meals at home that taste great and fight fat! Sign up for Chef'd and get all the ingredients and recipes delivered to your doorstep.)

2. Green Tea

3. The Right Breakfast
It's the most important meal of the day, after all. McDaniel's top picks: fiber-packed oatmeal and protein-packed eggs. They offer up an even stream of energy, compared with more processed, refined picks like corn flakes, bagels, or nutrition bars. Don't even think about a donut&mdashyou'll be asleep at your desk by 10 a.m. (Check out these 11 egg recipes like you've never had.)

4. Berries
Not only has eating more darkly pigmented fruits like blueberries been associated with a reduced risk of Alzheimer's, but some studies show that eating them can actually boost concentration and memory up to 5 hours later. Just thank all those antioxidants, which increase blood flow (and thus, oxygen) to the brain, making mental tasks easier. Try adding them to your morning oatmeal or afternoon salad.

5. Dark Chocolate or Cocoa Powder

6. Water + Lemon
Some jazzed up water may be all you need&mdashstudies show that dehydration can mess with memory and overall brain functioning big-time, while other research has found that the scent of lemon improves performance on tasks that require a great deal of concentration.

8. Peppermint Tea
Even without caffeine, this tasty brew can perk up your brain. Studies have found that the scent of peppermint is associated with reduced anxiety and fatigue, and enhanced motivation and performance.


8 Foods And Drinks That Will Make You Focus

Are you zoning out right now? You're reading this article instead of doing your actual job, aren't you? We've all been there. But good news: Stopping the cycle of procrastination could be as simple as having a snack&mdashand no, we don't mean heading to the vending machine for your 3 p.m. M&M fix.

Turns out, there are foods and drinks proven to snap you out of your funk&mdashor prevent it altogether&mdashthat won't leave you in a groggy stupor moments later. Here, Jen McDaniel, RD, spokesperson for the Academy of Nutrition and Dietetics, shares some of her favorite edible ways to power through your day and keep the cute animal videos to a minimum (except maybe this one&mdashit's amazing).

1. Coffee + Cinnamon
Sure, it might seem obvious that coffee would perk you up and help you focus, but did you know that two to three daily cups have been linked to both long- and short-term improvements in memory? Bolster its brain-boosting effects even further by adding a few dashes of cinnamon&mdasha 2009 study found that even just the smell of this spice can lead to increased feelings of alertness and decreased frustration. (Cook quick meals at home that taste great and fight fat! Sign up for Chef'd and get all the ingredients and recipes delivered to your doorstep.)

2. Green Tea

3. The Right Breakfast
It's the most important meal of the day, after all. McDaniel's top picks: fiber-packed oatmeal and protein-packed eggs. They offer up an even stream of energy, compared with more processed, refined picks like corn flakes, bagels, or nutrition bars. Don't even think about a donut&mdashyou'll be asleep at your desk by 10 a.m. (Check out these 11 egg recipes like you've never had.)

4. Berries
Not only has eating more darkly pigmented fruits like blueberries been associated with a reduced risk of Alzheimer's, but some studies show that eating them can actually boost concentration and memory up to 5 hours later. Just thank all those antioxidants, which increase blood flow (and thus, oxygen) to the brain, making mental tasks easier. Try adding them to your morning oatmeal or afternoon salad.

5. Dark Chocolate or Cocoa Powder

6. Water + Lemon
Some jazzed up water may be all you need&mdashstudies show that dehydration can mess with memory and overall brain functioning big-time, while other research has found that the scent of lemon improves performance on tasks that require a great deal of concentration.

8. Peppermint Tea
Even without caffeine, this tasty brew can perk up your brain. Studies have found that the scent of peppermint is associated with reduced anxiety and fatigue, and enhanced motivation and performance.


8 Foods And Drinks That Will Make You Focus

Are you zoning out right now? You're reading this article instead of doing your actual job, aren't you? We've all been there. But good news: Stopping the cycle of procrastination could be as simple as having a snack&mdashand no, we don't mean heading to the vending machine for your 3 p.m. M&M fix.

Turns out, there are foods and drinks proven to snap you out of your funk&mdashor prevent it altogether&mdashthat won't leave you in a groggy stupor moments later. Here, Jen McDaniel, RD, spokesperson for the Academy of Nutrition and Dietetics, shares some of her favorite edible ways to power through your day and keep the cute animal videos to a minimum (except maybe this one&mdashit's amazing).

1. Coffee + Cinnamon
Sure, it might seem obvious that coffee would perk you up and help you focus, but did you know that two to three daily cups have been linked to both long- and short-term improvements in memory? Bolster its brain-boosting effects even further by adding a few dashes of cinnamon&mdasha 2009 study found that even just the smell of this spice can lead to increased feelings of alertness and decreased frustration. (Cook quick meals at home that taste great and fight fat! Sign up for Chef'd and get all the ingredients and recipes delivered to your doorstep.)

2. Green Tea

3. The Right Breakfast
It's the most important meal of the day, after all. McDaniel's top picks: fiber-packed oatmeal and protein-packed eggs. They offer up an even stream of energy, compared with more processed, refined picks like corn flakes, bagels, or nutrition bars. Don't even think about a donut&mdashyou'll be asleep at your desk by 10 a.m. (Check out these 11 egg recipes like you've never had.)

4. Berries
Not only has eating more darkly pigmented fruits like blueberries been associated with a reduced risk of Alzheimer's, but some studies show that eating them can actually boost concentration and memory up to 5 hours later. Just thank all those antioxidants, which increase blood flow (and thus, oxygen) to the brain, making mental tasks easier. Try adding them to your morning oatmeal or afternoon salad.

5. Dark Chocolate or Cocoa Powder

6. Water + Lemon
Some jazzed up water may be all you need&mdashstudies show that dehydration can mess with memory and overall brain functioning big-time, while other research has found that the scent of lemon improves performance on tasks that require a great deal of concentration.

8. Peppermint Tea
Even without caffeine, this tasty brew can perk up your brain. Studies have found that the scent of peppermint is associated with reduced anxiety and fatigue, and enhanced motivation and performance.


8 Foods And Drinks That Will Make You Focus

Are you zoning out right now? You're reading this article instead of doing your actual job, aren't you? We've all been there. But good news: Stopping the cycle of procrastination could be as simple as having a snack&mdashand no, we don't mean heading to the vending machine for your 3 p.m. M&M fix.

Turns out, there are foods and drinks proven to snap you out of your funk&mdashor prevent it altogether&mdashthat won't leave you in a groggy stupor moments later. Here, Jen McDaniel, RD, spokesperson for the Academy of Nutrition and Dietetics, shares some of her favorite edible ways to power through your day and keep the cute animal videos to a minimum (except maybe this one&mdashit's amazing).

1. Coffee + Cinnamon
Sure, it might seem obvious that coffee would perk you up and help you focus, but did you know that two to three daily cups have been linked to both long- and short-term improvements in memory? Bolster its brain-boosting effects even further by adding a few dashes of cinnamon&mdasha 2009 study found that even just the smell of this spice can lead to increased feelings of alertness and decreased frustration. (Cook quick meals at home that taste great and fight fat! Sign up for Chef'd and get all the ingredients and recipes delivered to your doorstep.)

2. Green Tea

3. The Right Breakfast
It's the most important meal of the day, after all. McDaniel's top picks: fiber-packed oatmeal and protein-packed eggs. They offer up an even stream of energy, compared with more processed, refined picks like corn flakes, bagels, or nutrition bars. Don't even think about a donut&mdashyou'll be asleep at your desk by 10 a.m. (Check out these 11 egg recipes like you've never had.)

4. Berries
Not only has eating more darkly pigmented fruits like blueberries been associated with a reduced risk of Alzheimer's, but some studies show that eating them can actually boost concentration and memory up to 5 hours later. Just thank all those antioxidants, which increase blood flow (and thus, oxygen) to the brain, making mental tasks easier. Try adding them to your morning oatmeal or afternoon salad.

5. Dark Chocolate or Cocoa Powder

6. Water + Lemon
Some jazzed up water may be all you need&mdashstudies show that dehydration can mess with memory and overall brain functioning big-time, while other research has found that the scent of lemon improves performance on tasks that require a great deal of concentration.

8. Peppermint Tea
Even without caffeine, this tasty brew can perk up your brain. Studies have found that the scent of peppermint is associated with reduced anxiety and fatigue, and enhanced motivation and performance.


8 Foods And Drinks That Will Make You Focus

Are you zoning out right now? You're reading this article instead of doing your actual job, aren't you? We've all been there. But good news: Stopping the cycle of procrastination could be as simple as having a snack&mdashand no, we don't mean heading to the vending machine for your 3 p.m. M&M fix.

Turns out, there are foods and drinks proven to snap you out of your funk&mdashor prevent it altogether&mdashthat won't leave you in a groggy stupor moments later. Here, Jen McDaniel, RD, spokesperson for the Academy of Nutrition and Dietetics, shares some of her favorite edible ways to power through your day and keep the cute animal videos to a minimum (except maybe this one&mdashit's amazing).

1. Coffee + Cinnamon
Sure, it might seem obvious that coffee would perk you up and help you focus, but did you know that two to three daily cups have been linked to both long- and short-term improvements in memory? Bolster its brain-boosting effects even further by adding a few dashes of cinnamon&mdasha 2009 study found that even just the smell of this spice can lead to increased feelings of alertness and decreased frustration. (Cook quick meals at home that taste great and fight fat! Sign up for Chef'd and get all the ingredients and recipes delivered to your doorstep.)

2. Green Tea

3. The Right Breakfast
It's the most important meal of the day, after all. McDaniel's top picks: fiber-packed oatmeal and protein-packed eggs. They offer up an even stream of energy, compared with more processed, refined picks like corn flakes, bagels, or nutrition bars. Don't even think about a donut&mdashyou'll be asleep at your desk by 10 a.m. (Check out these 11 egg recipes like you've never had.)

4. Berries
Not only has eating more darkly pigmented fruits like blueberries been associated with a reduced risk of Alzheimer's, but some studies show that eating them can actually boost concentration and memory up to 5 hours later. Just thank all those antioxidants, which increase blood flow (and thus, oxygen) to the brain, making mental tasks easier. Try adding them to your morning oatmeal or afternoon salad.

5. Dark Chocolate or Cocoa Powder

6. Water + Lemon
Some jazzed up water may be all you need&mdashstudies show that dehydration can mess with memory and overall brain functioning big-time, while other research has found that the scent of lemon improves performance on tasks that require a great deal of concentration.

8. Peppermint Tea
Even without caffeine, this tasty brew can perk up your brain. Studies have found that the scent of peppermint is associated with reduced anxiety and fatigue, and enhanced motivation and performance.


8 Foods And Drinks That Will Make You Focus

Are you zoning out right now? You're reading this article instead of doing your actual job, aren't you? We've all been there. But good news: Stopping the cycle of procrastination could be as simple as having a snack&mdashand no, we don't mean heading to the vending machine for your 3 p.m. M&M fix.

Turns out, there are foods and drinks proven to snap you out of your funk&mdashor prevent it altogether&mdashthat won't leave you in a groggy stupor moments later. Here, Jen McDaniel, RD, spokesperson for the Academy of Nutrition and Dietetics, shares some of her favorite edible ways to power through your day and keep the cute animal videos to a minimum (except maybe this one&mdashit's amazing).

1. Coffee + Cinnamon
Sure, it might seem obvious that coffee would perk you up and help you focus, but did you know that two to three daily cups have been linked to both long- and short-term improvements in memory? Bolster its brain-boosting effects even further by adding a few dashes of cinnamon&mdasha 2009 study found that even just the smell of this spice can lead to increased feelings of alertness and decreased frustration. (Cook quick meals at home that taste great and fight fat! Sign up for Chef'd and get all the ingredients and recipes delivered to your doorstep.)

2. Green Tea

3. The Right Breakfast
It's the most important meal of the day, after all. McDaniel's top picks: fiber-packed oatmeal and protein-packed eggs. They offer up an even stream of energy, compared with more processed, refined picks like corn flakes, bagels, or nutrition bars. Don't even think about a donut&mdashyou'll be asleep at your desk by 10 a.m. (Check out these 11 egg recipes like you've never had.)

4. Berries
Not only has eating more darkly pigmented fruits like blueberries been associated with a reduced risk of Alzheimer's, but some studies show that eating them can actually boost concentration and memory up to 5 hours later. Just thank all those antioxidants, which increase blood flow (and thus, oxygen) to the brain, making mental tasks easier. Try adding them to your morning oatmeal or afternoon salad.

5. Dark Chocolate or Cocoa Powder

6. Water + Lemon
Some jazzed up water may be all you need&mdashstudies show that dehydration can mess with memory and overall brain functioning big-time, while other research has found that the scent of lemon improves performance on tasks that require a great deal of concentration.

8. Peppermint Tea
Even without caffeine, this tasty brew can perk up your brain. Studies have found that the scent of peppermint is associated with reduced anxiety and fatigue, and enhanced motivation and performance.


8 Foods And Drinks That Will Make You Focus

Are you zoning out right now? You're reading this article instead of doing your actual job, aren't you? We've all been there. But good news: Stopping the cycle of procrastination could be as simple as having a snack&mdashand no, we don't mean heading to the vending machine for your 3 p.m. M&M fix.

Turns out, there are foods and drinks proven to snap you out of your funk&mdashor prevent it altogether&mdashthat won't leave you in a groggy stupor moments later. Here, Jen McDaniel, RD, spokesperson for the Academy of Nutrition and Dietetics, shares some of her favorite edible ways to power through your day and keep the cute animal videos to a minimum (except maybe this one&mdashit's amazing).

1. Coffee + Cinnamon
Sure, it might seem obvious that coffee would perk you up and help you focus, but did you know that two to three daily cups have been linked to both long- and short-term improvements in memory? Bolster its brain-boosting effects even further by adding a few dashes of cinnamon&mdasha 2009 study found that even just the smell of this spice can lead to increased feelings of alertness and decreased frustration. (Cook quick meals at home that taste great and fight fat! Sign up for Chef'd and get all the ingredients and recipes delivered to your doorstep.)

2. Green Tea

3. The Right Breakfast
It's the most important meal of the day, after all. McDaniel's top picks: fiber-packed oatmeal and protein-packed eggs. They offer up an even stream of energy, compared with more processed, refined picks like corn flakes, bagels, or nutrition bars. Don't even think about a donut&mdashyou'll be asleep at your desk by 10 a.m. (Check out these 11 egg recipes like you've never had.)

4. Berries
Not only has eating more darkly pigmented fruits like blueberries been associated with a reduced risk of Alzheimer's, but some studies show that eating them can actually boost concentration and memory up to 5 hours later. Just thank all those antioxidants, which increase blood flow (and thus, oxygen) to the brain, making mental tasks easier. Try adding them to your morning oatmeal or afternoon salad.

5. Dark Chocolate or Cocoa Powder

6. Water + Lemon
Some jazzed up water may be all you need&mdashstudies show that dehydration can mess with memory and overall brain functioning big-time, while other research has found that the scent of lemon improves performance on tasks that require a great deal of concentration.

8. Peppermint Tea
Even without caffeine, this tasty brew can perk up your brain. Studies have found that the scent of peppermint is associated with reduced anxiety and fatigue, and enhanced motivation and performance.


8 Foods And Drinks That Will Make You Focus

Are you zoning out right now? You're reading this article instead of doing your actual job, aren't you? We've all been there. But good news: Stopping the cycle of procrastination could be as simple as having a snack&mdashand no, we don't mean heading to the vending machine for your 3 p.m. M&M fix.

Turns out, there are foods and drinks proven to snap you out of your funk&mdashor prevent it altogether&mdashthat won't leave you in a groggy stupor moments later. Here, Jen McDaniel, RD, spokesperson for the Academy of Nutrition and Dietetics, shares some of her favorite edible ways to power through your day and keep the cute animal videos to a minimum (except maybe this one&mdashit's amazing).

1. Coffee + Cinnamon
Sure, it might seem obvious that coffee would perk you up and help you focus, but did you know that two to three daily cups have been linked to both long- and short-term improvements in memory? Bolster its brain-boosting effects even further by adding a few dashes of cinnamon&mdasha 2009 study found that even just the smell of this spice can lead to increased feelings of alertness and decreased frustration. (Cook quick meals at home that taste great and fight fat! Sign up for Chef'd and get all the ingredients and recipes delivered to your doorstep.)

2. Green Tea

3. The Right Breakfast
It's the most important meal of the day, after all. McDaniel's top picks: fiber-packed oatmeal and protein-packed eggs. They offer up an even stream of energy, compared with more processed, refined picks like corn flakes, bagels, or nutrition bars. Don't even think about a donut&mdashyou'll be asleep at your desk by 10 a.m. (Check out these 11 egg recipes like you've never had.)

4. Berries
Not only has eating more darkly pigmented fruits like blueberries been associated with a reduced risk of Alzheimer's, but some studies show that eating them can actually boost concentration and memory up to 5 hours later. Just thank all those antioxidants, which increase blood flow (and thus, oxygen) to the brain, making mental tasks easier. Try adding them to your morning oatmeal or afternoon salad.

5. Dark Chocolate or Cocoa Powder

6. Water + Lemon
Some jazzed up water may be all you need&mdashstudies show that dehydration can mess with memory and overall brain functioning big-time, while other research has found that the scent of lemon improves performance on tasks that require a great deal of concentration.

8. Peppermint Tea
Even without caffeine, this tasty brew can perk up your brain. Studies have found that the scent of peppermint is associated with reduced anxiety and fatigue, and enhanced motivation and performance.