Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

You may remember little to nothing when you wake up, but there’s a lot going on while you sleep. You just spent the previous seven to nine hours moving through a highly structured cycle of sleep ...

A Department of Defense-led research project wants to modulate REM sleep to help ease stress. The study also aims to enhance REM sleep in order to consolidate traumatic memories. Controlling REM sleep ...

It's often hard to know exactly how much sleep you should be getting. Experts claim most healthy adults need seven to nine hours per night – but this is hardly exact, and it also depends on age and ...

Scientists have recently shown that both the quality and the amount of sleep we get may influence our risk of developing Alzheimer’s disease. Now, a study suggests that people who take significantly ...

People report vivid dreams during rapid-eye-movement sleep. But is this sleep stage really the only time we dream? When you purchase through links on our site, we may earn an affiliate commission.

Scientists have recently shown that both the quality and the amount of sleep we get may influence our risk of developing Alzheimer's disease. Scientists have recently shown that both the quality and ...