You wear them to bed, wake up to glowing reports on your REM cycles, and proudly compare sleep scores with your friends like ...

A particular sort of dream control helps people mold their minds, practice real-life skills, and even shape their waking ...

In OSA, oxygen desaturation respiratory events during REM sleep occur more often in Black adults, especially Black women, than in White adults.

It may be possible to have soldiers wear a smart watch to log daily REM sleep and to accumulate daily values of REM debt to ...

Yet greater awareness of sleep deprivation’s consequences hasn’t translated into a better-rested populace. Data from the CDC ...

But this turned out to be a misconception that hasn’t allowed us “to capture the disease accurately,” Christine Won, MD, medical director of the Yale Centers for Sleep Medicine and director of the ...

The study, published in the Journal of Clinical Sleep Medicine, found that lower levels of REM and slow-wave sleep were ...

That theory posits that, if memories were shrubs, the non-REM phase of sleep helps them grow taller and stronger. The REM ...

An actigraphy device is similar to a wristwatch and uses accelerometers to measure the person’s movement. Coupled with sleep ...

A team of Northwestern investigators have developed a wearable and wireless sleep monitoring device that provides an in-depth ...

Medically reviewed by Sohaib Imtiaz, MD Deep sleep helps you feel refreshed and typically makes up 20–25% of total sleep time, or about one to two hours per night for adults. If you're not sleeping ...