a good routine before bed, etc.). When I'm getting high quality sleep at night, then I'm able to get the full benefit of my training, which allows me to perform at my best every day." — ...

Do you not get sleep despite changing sides throughout the night? If this is the case then be alert or else your body can ...

REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.

Coziness over sex appeal, says a sleep specialist to the 32% of American adults who have trouble getting a good night’s sleep ...

To get good ... sleep, the golden rule, according to experts, is 7-8 hours. However, it is common for everyone to have nights where everyone stays up way too late and notices the effects of it the ...

And while melatonin might be a good option for people who work night shifts or are jetlagged, taking more than your body produces can cause you to be sleepy or slow the next day. Taking sleep ...

It's no secret that a good night's sleep is key to a healthy brain. However, the full extent of the importance of rest on our cognitive function is still being explored. And now, new research has ...

In my case, this led to anxiety, which wreaked havoc on my sleep. A good night's sleep is ... brain that it's time to start the day. When it gets dark at night, the SCN triggers the release ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Want to improve your chances for a good night ...

Whether your politics make you anxious or exhilarated by the events of the day ... or for those with sleep fragmentation — brief but frequent awakenings during the night — ongoing stress ...

We sleep. Around 350 B.C., Aristotle wrote an essay, “On Sleep and Sleeplessness,” wondering just what we were doing and why. For the next 2,300 years no one had a good answer. In 1924 German ...