The internal circadian clock promotes sleep daily at night, when it is dark. The diverse purposes and mechanisms of sleep are the subject of substantial ongoing research. [5]

The SRS Podcast discusses the latest findings in sleep and circadian research, with an emphasis on research published in SLEEP and SLEEP Advances. Join us the first Tuesday of every month for new episodes!

Sleep is more than "lights out" time. Learn what happens when you sleep and why sleep is important for your mental and physical health.

How to fall asleep faster and sleep better If you're finding it hard to fall sleep or stay asleep, you are not alone. Many people have problems with sleep at some point. Making small changes to habits and routines that help you sleep can make a real difference. This is sometimes called sleep hygiene.

Sleep is a body process that allows your body to rest, repair and restore itself. You need sleep to function properly. Lack of sleep has links to many health issues.

Quality sleep means you are getting uninterrupted and refreshing sleep. Getting quality sleep is not just about how many hours you sleep, but how well you sleep.

Sleep is a complex and dynamic process that affects how you function in ways scientists are now beginning to understand. This webpage describes how your need for sleep is regulated and what happens in the brain during sleep.

Sleep tips: 6 steps to better sleep You're not doomed to toss and turn every night. Consider simple tips for better sleep, from setting a sleep schedule to including physical activity in your daily routine.

Healthy sleep consists of four stages. We break down the traits of both REM and NREM stages, how they differ, and how to get better sleep.

Here’s why sleep matters so much – plus how to fall asleep faster and stay asleep longer.