The REM stage of sleep plays an important role in learning, memory and brain development. Currently, lab-based tests are required to gauge how much REM sleep a person is getting. The SomaSleep ...

Apparently, sex before bed can have a massively positive impact on your sleep quality, with new research showing an increase in REM sleep of up to a whopping 43%.

June 29, 2010 (Buenos Aires, Argentina) — In patients with Parkinson's disease, sleep-related falling out of bed could be a clinical marker of REM sleep behavior disorder (RBD), according to ...

The condition is called REM behavior disorder. The sleeper, usually a man, will kick, punch, scream, thrash about or fall out of bed, potentially injuring himself or his partner.