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

Researchers have uncovered how perceptual memories linked to positive emotions, such as joy or happiness, are strengthened during sleep. The study could help scientists understand the neurological ...

Traditional alarm clocks wake you up at a specific time regardless of what stage of sleep you're in. Sleep Cycle can wake you ...

A new book explores the myth that getting eight hours of shut-eye is how we should be sleeping. Its author, Dr Merijn van de ...

“Too much blue light during the day has no impact on our sleep cycle,” says sleep psychologist ... “If your nap is long enough for you to fall into a deep sleep, it’ll be harder to wake ...

deep, and REM sleep (plus any awake time). You typically cycle through these sleep stages a few times per night to feel rested – and the trackers in this guide will show this in their analysis.

Fitbits with heart-rate monitors (apart from the Fitbit Charge HR and Fitbit Surge) are designed to track sleep stages and to give you graphs showing daily ... A typical night's sleep consists of ...

Struggling to get to sleep can be a horrible thing to deal with, but if you need to find a solution there is an effective way. Particularly in the winter following Christmas and the New Year people ...