Everybody needs sleep, but not everyone is getting enough of it. But sleep isn't just about shutting down after a long hard day, but more giving your body a chance to recuperate in order to function the next day.



So what's the big deal about sleep? For one thing, sex. Studies have linked sleep deprivation is to both lower libido and less interest in men and women.

Lack of sleep can also seriously mess with your waistline. Not getting enough sleep will result in your genes determining how much you weigh. It can also make you feel more hungry by up to 25 percent, which doesn't sound like much until you forgo sleep for a whole week. So sleep more to burn more calories.

And for all you caffeine addicts, you might be at higher risk of developing sleep apnea, which is a scary disorder in which you can actually stop breathing while you sleep. What's even scarier is that a study has linked this disorder to an increase risk of dying from cancer.

So what's the ideal number of hours? Experts recommend between 7-8 hours of sleep everyday. Too much or too little has been associated with shorter lifespans. And thanks to tech, most of us aren't getting enough sleep because we're too distracted by the internet.

And here's a neat tip college students can use, sleeping directly after learning something new will improve your ability to remember it effectively. While we don't recommend you to take a nap straight after class, but it definitely wouldn't hurt to try it out.