Snoozing affects REM sleep, leading to erratic sleep patterns. For optimal rest, experts offer tips for skipping the snooze and maintaining regular sleep schedules.

REM), heart rate variability and dipping, blood oxygen levels, respiratory rate, external environmental audio, and even body ...

Once the app has tracked you overnight ... including whether you're in light, deep, or REM sleep. However, these estimates can sometimes be inaccurate, as they may not always be able to ...

Most people use the snooze alarm upon waking — but is the habit sapping vital sleep? Three experts weigh in on how to get the most out of snoozing.

In the Sleepwave app, it records your duration of sleep, and compares it with previous days and weeks. It’ll also track when you’re awake and other sleep stages, like REM, core and deep sleep ...

REM Sleep Behavior Disorder causes more than dream enactment—it’s a powerful clue to neurodegenerative disease risk.

Tech companies that once kept you awake are now obsessed with watching you sleep. Discover why your bedroom became their ...

Sleep paralysis, a common yet frightening experience, affects about 20% of people, causing temporary immobility and vivid ...

Sleep trackers — wearable devices that monitor all your vitals — provide detailed summaries of your sleep cycle so you know how many hours of REM ... In the Oura app, under the "My Health ...

REM sleep is closely associated with cognition and ... and white noise machines or apps. Tom's Guide created this content as part of a paid partnership with Helix Sleep. The contents of this ...

The brain waves of a person in REM sleep look very similar to those of a person who is awake, which is why some sleep-tracking apps show blocks of REM as occurring near the top of the graph ...