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What Does Lack of Sleep Mean for Your Gym Goals?
Losing sleep three nights in a row will totally tank your performance.
This Is How Long It Takes for Your Body to Start Ignoring Caffeine
At a certain point, even espresso is useless.
The Later You Get to Sleep, the Worse Your Diet and Exercise Habits Will Be
Late bedtimes are tied to poor eating and activity levels, according to a new study.
This Easy Diet Trick Can Better Your Sex Life (And More!)
Fasting brings some major gains.
Are You Sleeping More or Less Than the Average College Student?
The answer may surprise you.
How to Lose Weight In Your Sleep (Seriously!)
This new fad is based on ancient wisdom—here's how to make it work for you.
5 Weird Reasons You Had a Nightmare
Kids aren't the only ones with scary dreams!
Will Melatonin Really Help You Sleep Better?
A sleep doc explains the truth about the 'natural' snooze supplement.
Two Reasons Not Getting Enough Sleep Is a Major Problem for Women
The latest sleep research should be enough to convince you to hit snooze.
6 Things Your Body Does While You Sleep
Everything from keeping weight off to helping you with your work drama!
The Strange Way Lack of Sleep Could Be Making You Gain Weight
Turns out, our brains respond similarly to the two.
Social Media Use Is Screwing Up Our Sleep Patterns
Social media junkies are getting less sleep than the rest of us.
If This New Alarm App Doesn't Make Waking Up Easier, Nothing Will
But will you love or hate Microsoft's Mimicker Alarm?
Is Sleeping In Good for Your Health?
New research shows your Saturday snooze fest might be doing great things for your health—under one condition
Eat This for Better Sleep
Fill up on this to get a full night of zzz's
How Alcohol Screws with Your Sleep
How holiday cocktails and wine affect your shut-eye.
Is Your Sleep Schedule Hurting Your Heart Health?
Nix social jet lag—stat!
What's Worse: Sleep Deprivation or Disrupted Sleep?
Both will make you cranky, but one has a way bigger effect on your a.m. happiness.
Can't Sleep? 6 Weird Reasons You're Still Awake
Who knew your toothpaste could keep you up?
Why Sleep Should Be Your No. 1 Priority for Flu Season
Scoring enough shut-eye may just save you from the flu or a cold.
Why Sleep Deprivation Makes Us So Angsty
We all know one sleepless night can turn the next day into an emotional roller coaster.
This Is the Best Nap Length for Good Sleep
Ever wonder how much daytime shuteye is too much? One sleep doctor reveals the perfect number.
Most Of Us Are Getting Enough Sleep, Science Says
The sweet spot for sleeping may be less than you think
11 Tricks to Wake Yourself Up After a Total Lack of Sleep
These tried-and-true tricks can make you feel just like you've gotten your eight hours in.
Less Than Seven Hours of Sleep Quadruples Your Chance of Getting a Cold
You could reap real health perks from a certain amount of zzz's.