There is a stage of sleep where we still have a toe in the waking world — remaining able to take in outside information. Yet at the same time, the mind is unleashed and our thoughts flow more freely.

Feeling stuck on a problem that seems unsolvable? You may come up with a creative solution after a short nap—very short, according to a new study from MIT and Harvard Medical School researchers.

Sleep on it. That’s the advice we’ve all heard when challenged with a seemingly impossible dilemma. A new study suggests it’s not just folklore. When over 100 volunteers were given the chance to nap, ...

Please provide your email address to receive an email when new articles are posted on . The proportion of REM, stage N1 and stage N2 sleep significantly changed after 12 weeks of steam-assisted ...

I was certified in the provision of biofeedback in the 1980s. Biofeedback works by providing real-time information about the physiological functioning of the body to an individual by using electronic ...