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11 Important Facts About Sleeping You Never Knew

Pass that beauty rest test. You know that a good night's sleep is important (thanks, Mom), but there's more to the science of sleep than you think. Brush up on the facts, then move to the head of the class with Sleep Number® SleepIQ® technology.

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2. Those who sleep less are more likely to catch colds.

PBS / Via

When exposed to a cold virus, people who get fewer than seven hours of sleep a day are about three times more likely to develop cold symptoms than those who get eight hours of sleep or more.

8. A lack of sleep can make sober people act, well, drunk.

gpeters (CC BY http://2.0) / Via Flickr: gpeters

Subjects were observed over a period of 28 hours of sleep deprivation. After 17 hours without their beauty rest, their performances on a series of tests were equivalent to or worse than those with 0.05% BAC.

10. The best sleep typically happens between 65 and 72 degrees Fahrenheit.

CW / Via

Kicking off the sheets is totally normal. Your body temperature rises and falls slightly throughout a normal day, and it's all tied to your sleep cycle. If the air in your room is too hot, it may interfere with your body's natural dip in temperature. The result? A restless night's sleep.

11. Insufficient sleep has been linked to weight gain.

Thinkstock / Artfoliophoto

You've got more time to snack if you're not getting any shut-eye. Plus, when you miss sleep, your leptin levels (which tell your brain when enough food has been consumed) go down. Meanwhile, your ghrelin levels (which stimulate your appetite) go up. It's the PERFECT STORM.

It's time to get smart about sleep.

SleepIQ® technology gives you the knowledge to adjust for your best sleep.