- How Sleep Works
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- Sleep Medicine
Finding the best temperature for sleep is essential for facilitating your body’s natural cooling process and ensuring an uninterrupted night of restful sleep. Find out why cooler temperatures help us sleep better, and the best bedroom temperature for you and your kids.
An apple a day keeps the doctor away, but tart cherry juice may keep insomnia at bay.
Almost all animals yawn, from humans on down to lizards. It’s something we do every day, starting before we’re even born (babies yawn in utero). We do it when we’re tired -- but we do it when we’re wide awake, too. Sometimes we do it just because we saw someone else do it. So what’s the deal with yawning?
Do you know how to choose a mattress based on your sleeping position? If you sleep on your side, you're the most common sleeper out there. Learn what factors matter in selecting the right bed for you.
Usually sleepers pass through five stages: 1, 2, 3, 4 and REM (rapid eye movement) sleep. Learn what happens in each and how long they last.
Find out where your home town ranks in our study of the best and worst cities in the US for sleep.
Find out what makes the perfect mattress for you. Check out our extensive mattress database and buying guides.
Not sure what to do with your old mattress? Learn about all of your disposal options.
Recommended sleep times for children, sleep tips by age and more.
Not sure when you should consider a new mattress? Learn more in our guide.
Need a new pillow but not sure where to start? Our guide will help!
Not sure where to start in the shopping process without hitting a retail store? Let us guide you.