From smart rings to mattress sensors, here are our top picks of the best sleep trackers that reveal what really happens ...

I spent months testing the Oura Ring, Whoop, Google Pixel Watch, and Ultrahuman Ring AIR so you don’t have to. Here is what I ...

A new study showed that people who took longer to enter this dream phase of sleep had higher levels of amyloid beta and tau, ...

Prolonged rapid eye movement sleep latency may be an early indicator of Alzheimer’s disease and related dementias, according ...

Wearable devices have pulled terms like "REM sleep" from scientific literature to daily discussion points. But what can ...

People who take longer to start the dream phase of sleep may be experiencing an early symptom of Alzheimer's disease.

Scientists have found that both the quality and amount of sleep we get can affect our risk of developing Alzheimer’s disease.

Researchers at the RIKEN Center for Brain Science (CBS) have uncovered how perceptual memories linked to positive emotions, ...

Fitness trackers can capture some of this information, but it is less precise. The researchers divided the participants into ...

Researchers believe that those who take longer to enter the dream phase of sleep may be at higher risk of Alzheimer's disease ...

Fitness trackers can capture some of this information, but it is less precise. The researchers divided the participants into early and delayed REM sleep. On average, the early group reached REM ...

Those with Alzheimer’s were more likely to have delayed REM sleep, and they also had higher levels of the toxic brain ...