Here’s what sleep experts say may be keeping you awake.

New research examined data from 500,000 people and found a sleep 'sweet spot' for older and middle-aged adults.

Ever wondered why you sometimes have conversations in your sleep? These are the three leading explanations, according to ...

I'm a certified sleep science coach who has tested over 50 mattresses. For some hot sleepers, a blasting fan, running AC and one foot hanging out from underneath the covers still isn’t enough to ...

For millennia, living creatures have engaged in the sacred art of sleep, but it still remains one of the most evasive necessities for some. Sleep can be hard to come by, but an ideal sleep environment ...

Sleepmaxxing refers to a set of products, practices and biohacks used to optimize sleep quality and duration. One notable aspect of sleepmaxxing is that those who dig in tend to view sleep more as a ...

Anthropologist and author David Samson examines how the story of human sleep unfolded in his new book, “The Sleepless Ape.” ...

Twenty-six years. That is roughly how much of our lives are spent asleep. Scientists have been trying to explain why we spend so much time sleeping since at least the ancient Greeks, but pinning down ...

The amount of REM sleep you get may influence which details of your memories remain in storage, a new brain study suggests. The sleep cycle is split into four stages: one stage of rapid eye movement ...

At the time, I shared the advice based on the recommendation of a performance coach and several sleep-deprived individuals who had given it a try. I’m happy to report science has now confirmed the ...

If you've been struggling to sleep and end up feeling fatigued during the day, the data collected by these sleep trackers can ...

Recall the last time you were on a flight or duty that cut into your natural daily sleep pattern. Chances are you were ...