Idiopathic REM sleep behaviour disorder (iRBD) causes people to physically act out their dreams while sleeping. The disorder ...

However, some research shows that major stressors may increase REM sleep but reduce deep sleep. REM rebound, which is when we ...

For people with a certain sleep disorder, a simple blood test could help predict the development of dementia years before symptoms appear, a new study indicates. Idiopathic REM sleep behavior disorder ...

Global Parkinson's cases projected to double by 2050. Learn the 8 early warning signs, from smell loss to voice changes, for ...

"Deep sleep builds your immune system, and REM sleep regulates and fine-tunes it," says Darwall-Smith agrees. During deep ...

Sleep disturbances may accelerate neurodegeneration, but whether they cause or result from disease remains unclear. Improving ...

Medical experts reveal the surprising conditions that can lead to death during sleep, from cardiac arrhythmias to sleep apnea ...

To specify the process responsible for sleep-related improvement, we compared the effects of 'early' and 'late' sleep, dominated respectively by slow-wave and rapid eye movement (REM) sleep.

From college rock phenoms in the '80s, R.E.M became global superstars in the '90s — and they did it all on their own terms.

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