A sleep scientist advises against blindly following the eight-hour sleep rule. Instead, you should create a routine to find your optimal sleep time.

Share on Pinterest New research suggests how well you believe you’re sleeping at night can affect your mood and life satisfaction more than what the data from a sleep tracker tells you.

Receiving adequate sleep is usually the key to success. However, depending on your lifestyle, you may not need the whole 8 hours of rest that is usually recommended. Sleep plays a vital role in good ...

On average, how many hours do you sleep each night? For most healthy adults, guidelines suggest at least seven hours of slumber. But these are general recommendations and not strict rules. “Some ...

Staying awake for 24 hours can impair your cognitive function, similar to being over the DUI limit. Your risk of heart disease, depression, and obesity increases if you have chronic sleep deprivation.

Kelly speaks with Dr. Matthew Walker about the benefits of a good night’s sleep. Kelly speaks with sleep expert Dr. Matthew Walker on the profound importance of getting a good night’s sleep. Cognitive ...

There are few things more difficult than sleeping on an airplane—particularly if you’re surrounded by noisy passengers and bright reading lights. Truthfully, though, the environment doesn’t need to be ...