Too Much Sleep Can Lead To Restless Nights (March 24, 2004) -- Don't hit the snooze alarm too many times: Too many hours in bed can cause as many sleep problems as too few, according to a new ... > full story

Alcohol Increases Sleep Intensity In Young Women (August 21, 2006) -- While numerous studies have linked alcohol abuse to sleep disruption, especially in males, there has been little research on alcohol and its effects on sleep in females. Now, a new study shows that ... > full story

Sleep Apnea Patients At Higher Risk For Deadly Heart Disease; Arrhythmia Found To Increase During REM (November 17, 2006) -- People with sleep apnea could also be at risk for a particular kind of deadly heart arrhythmia, finds Saint Louis University ... > full story

Sexual Activity Reported In Dreams Of Men And Women (June 15, 2007) -- In a detailed study that served to investigate the actual nature and content of sexual dreams across a large sample of dream reports from men and women, approximately eight percent of everyday dream ... > full story

Memorizing In Your Sleep (October 26, 1999) -- In the October issue of Learning & Memory, researchers show that exposure to a "memorable" environment causes the brain to turn on a gene called zif-268 during subsequent sleep. Because activation of ... > full story

New Research Suggest REM Is About Eyes Not Dreams (February 17, 1998) -- A Columbia University researcher is "stirring" up conventional views on the function of rapid eye movement (REM) sleep. According to David Maurice, Ph.D., professor of ocular physiology in the ... > full story

Scents Will Not Rouse Us From Slumber, Says New Brown University Study (May 18, 2004) -- While sound can disrupt sleep, scents cannot. People cannot rely on their sense of smell to awaken them to the danger of fire, according to a new Brown University ... > full story

Melatonin Supplements Offer Little Or No Benefit For The Sleep Deprived, Study Says (December 23, 2004) -- The U.S. Department of Health and Human Services has released information about research on melatonin supplements. The research was conducted at the University of Alberta for the U.S. National Center ... > full story

New Analysis Explains Wide Variations In Animal Sleep Habits (October 28, 2005) -- An extensive research analysis by a neuroscientist at UCLA's Semel Institute and the Veterans Affairs' Neurobiology Research Laboratory concludes that environment and diet largely determine sleep ... > full story

Slow Wave Activity During Sleep Is Lower In African-Americans Than Caucasians (June 13, 2007) -- Slow wave activity, a stable trait dependent marker of the intensity of non-rapid eye movement sleep, is lower in young healthy African-Americans compared to Caucasians who were matched for age, ... > full story

Mayo Clinic Discovers New Type Of Sleep Apnea (September 4, 2006) -- Researchers at Mayo Clinic have identified a new type of sleep apnea they call "complex sleep apnea." The newly discovered type, complex sleep apnea, is a combination of both obstructive and central ... > full story

Rapid eye movement -- Rapid eye movement (REM) is the stage of sleep characterized by rapid saccadic movements of the eyes. During this stage, the activity of the brain's neurons is quite similar to that during waking ... > full article

Night terror -- A night terror, also known as sleep terror or pavor nocturnus, is a parasomnia sleep disorder characterized by extreme terror and a temporary inability to regain full consciousness. The subject wakes ... > full article

Circadian rhythm sleep disorder -- Circadian rhythm sleep disorders are a family of sleep disorders affecting the timing of sleep. People with circadian rhythm sleep disorders are unable to sleep and wake at the times required for ... > full article

Sleep disorder -- A sleep disorder (somnipathy) is a disorder in the sleep patterns of a person or animal. Sleep disorders include: Bruxism; delayed sleep phase syndrome; insomnia: jet lag or desynchronosis; ... > full article

Separation anxiety disorder -- Separation anxiety disorder (or simply separation anxiety) is a psychological condition in which an individual has excessive anxiety regarding separation from home or from people to whom the ... > full article

Electroencephalography -- Electroencephalography is the neurophysiologic measurement of the electrical activity of the brain by recording from electrodes placed on the scalp or, in special cases, on the cortex. The resulting ... > full article

Narcolepsy -- Narcolepsy is a neurological condition characterized by severe fatigue, irresistible episodes of sleep and general sleep disorder. The main characteristic of narcolepsy is overwhelming excessive ... > full article

Sleep deprivation -- Sleep deprivation is an overall lack of the necessary amount of sleep. A person can be deprived of sleep by their own body and mind, insomnia, or actively deprived by another individual. Sleep ... > full article

Narcolepsy (sleep disorder) -- Narcolepsy is a neurological condition most characterized by Excessive Daytime Sleepiness (EDS), episodes of sleep and disorder of REM or rapid eye movement sleep. It is a type of dyssomnia. The main ... > full article

Nightmare -- In common current usage, the term nightmare refers to dreams of particular intensity, with content that the sleeper finds disturbing, related either to physiological causes, such as a high fever, or ... > full article