42% of Americans find winter to be the best sleeping season. Learn more about your sleeping preferences.
Koalas sleep for 22 hours a day. A teenage koala? Forget about it. Get more surprising sleep facts here.
Take a look at some of our surveys. And if you can't sleep, maybe fill one out yourself.
Explore the fascinating world of resting our eyes, through the eyes of sleep researchers.
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A few too many, or not enough? 17 hours of no sleep can make you feel tipsy. Check out this infographic about lack of sleep.