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What is the best temperature for sleep?

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.

By Amelia Willson

Does tart cherry juice help you sleep?

An apple a day keeps the doctor away, but tart cherry juice may keep insomnia at bay.

By Amelia Willson

Does yawning mean you're tired?

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?

By Florrie Byrd

Research sleep products and understand sleep health and hygiene

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How to Find the Best Mattress for Side Sleepers

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.

Understand the Stages of Sleep and Sleep Cycles

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.

Best and Worst U.S. Cities for Sleep

Find out where your home town ranks in our study of the best and worst cities in the US for sleep.

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Mattress Reviews and Information

Find out what makes the perfect mattress for you. Check out our extensive mattress database and buying guides.

Sleep Health

Get all of your sleep health questions answered. From sleep hygiene to various types of sleeping, we've got you covered.

Sleep Medicine

Understand what sleep medications and non-drug therapies exist as a potential solution for your sleep problems.

Explore our guides


Mattress Disposal Guide

Not sure what to do with your old mattress? Learn about all of your disposal options.


Parent’s Guide to Healthy Sleep

Recommended sleep times for children, sleep tips by age and more.


When Should You Replace Your Mattress?

Not sure when you should consider a new mattress? Learn more in our guide.


Best Pillow Reviews

Need a new pillow but not sure where to start? Our guide will help!


How to Buy a Mattress Online

Not sure where to start in the shopping process without hitting a retail store? Let us guide you.