If you have symptoms of sleep apnea, your doctor may ask you to have a sleep apnea test, called a polysomnogram (PSG). This may be done in a sleep disorder center or even at home. A polysomnogram ...

Summary: Delayed rapid eye movement (REM) sleep may be an early indicator of Alzheimer’s disease. Researchers found that participants with delayed REM sleep had higher levels of toxic proteins ...

Insomnia is one of the most common medical ... they will recommend either an in-lab sleep study called a polysomnography (PSG) or an at-home sleep test (HST). A polysomnogram sleep study is ...

New research provides guidance on the effects of caffeine, diet and naps on sleep. Plus there are expanded treatments for ...

Sleep deprivation affects the brain's memory control, with REM sleep essential for effective suppression of intrusive memories and cognitive function.

[111] When drug treatment is considered, the patient should be referred to an expert in sleep disorders. In the case of insomnia among peri- or postmenopausal women, it is necessary to first ...