In the quest for a restful night, we often overlook the myriad of sleep disorders that can drastically affect our lives. From ...

Hypnagogic hallucinations occur during the transition from wakefulness to sleep, specifically in stages 1 and 2 of deep sleep, without reaching the REM stage. In other words, these hallucinations ...

waking "sleep," hallucinations, autonomic disturbances suggestive of sympathetic overdrive (tachycardia, hypertension, hyperhidrosis, hyperthermia), a rise in circulating catecholamine levels ...

Every time we experience REM sleep, we literally go mad. By definition, psychosis is a condition characterized by hallucinations and delusions. Dreaming, some sleep scientists say, is a psychotic ...

There are key differences between narcolepsy and insomnia. Learn about ways to manage these sleep disorders to improve your health and well-being. Insomnia is a common sleep disorder characterized ...

New research reveals disturbing nightmares and hallucinations may serve as early warning signs of lupus, potentially helping patients receive treatment sooner.

“If we follow middle-aged people into older age, those who sleep more at more consistent times from day-to-day have lower risk of cancer, heart disease, dementia, and overall mortality,” Wu says. “So ...

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 ...