Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

Researchers led by Masako Tamaki at the RIKEN Center for Brain Science in Japan report a link between deep sleep and ...

Neuroscientists probing the boundary between sleep and awareness are finding many types of liminal states, which help explain ...

Study suggests sleep patterns shifted with modern-day habits. July 23, 2014— -- Though closing our eyes and drifting off into unconsciousness is one of the simplest tasks we perform each day, ...

A study identified five sleep types that could be linked to mental well-being, bedtime habits and brain activity. The ...

Sleep talking can be a slightly strange experience — whether you’re the one doing the midnight chattering or you’re sharing a bed with someone who is talking mid-snooze. But what is sleep talking and ...

Busy people sometimes say that they will “sleep when they are dead.” The irony is that sleep deprivation harms your health ...

Most adults need 7–9 hours of sleep per night, but nearly 30% fall short, and even those who hit the target often lack consistency. Sleep isn’t just about feeling rested; it’s essential for metabolic ...

For those of us who worry about our sleep, every morning is a scramble of mental maths as we turn to our bedside clock and calculate whether or not we’ve had “enough”. The current National Sleep ...

For an activity most of us spend about a third of our lives doing, there’s a lot scientists still don’t understand about ...

Here's when you'll have to change your clocks again for the end of daylight saving time, and why we still follow this ...