Narcolepsy More Common In Men, Often Originates In Their 20s (April 29, 2002) -- A Mayo Clinic study reports that narcolepsy, a sleep disorder, is more common in men and originates in their 20s. The study, which appeared in a recent edition of the journal Sleep, also found that ... > full story

Narcoleptics Have A High Frequency Of REM Sleep Without Atonia (July 7, 2007) -- Normal rapid eye movement (REM) sleep is characterized by tonic features, including cortical electroencephalogram (EEG) desynchronization and muscle atonia, as well as phasic events, including bursts ... > full story

Narcolepsy May Be Caused By Environmental Exposures (January 2, 2007) -- A comprehensive review published in the Jan. 1 issue of the journal Sleep finds that, as with other diseases characterized by selective cell loss, narcolepsy may be caused by environmental exposures ... > full story

Link Between Parkinson's And Narcolepsy Discovered (May 4, 2007) -- Parkinson's disease is well-known for its progression of motor disorders: stiffness, slowness, tremors, difficulties walking and talking. Less well known is that Parkinson's shares other symptoms ... > full story

Another Step Towards Understanding The Causes Of Narcolepsy (December 22, 2004) -- Results of a preliminary study in this week's issue of THE LANCET suggest a step forward in our understanding of the processes behind narcolepsy; there appears to be an underlying autoimmune process ... > full story

Sleep Disorders Highly Prevalent Among Police Officers (June 13, 2007) -- A sampling of police officers shows a high incidence of sleep disorders among the members of this profession. Sleep disorders are common, costly and treatable, but often remain undiagnosed and ... > full story

Scientists Pinpoint Possible Cause For Debilitating Sleep Disorder Narcolepsy (August 31, 2000) -- Scientists believe they may have identified the cause of the debilitating sleep disorder narcolepsy in humans. A new study shows a dramatic reduction -- up to 95 percent -- in the number of neurons ... > full story

Sleep Disturbances Among The Elderly Linked To Suicide (June 15, 2007) -- Self-reported sleep complaints among the elderly serve as a risk factor for completed suicide. The study focused on data that were collected among 14,456 community elders over a 10-year period. ... > full story

UT Southwestern Researchers Create Mice With Narcolepsy (August 9, 1999) -- Using an infrared, nighttime video camera to study genetically engineered mice lacking a molecule known to affect appetite, UT Southwestern Medical Center at Dallas researchers unexpectedly ... > full story

Researchers Gaining More Understanding Of Sleep, Sleep Loss, Daytime Sleepiness And Fatigue In Healthy Adults (August 23, 1999) -- New research from Penn State's College of Medicine shows that even one night of disrupted or missed sleep by a healthy person can drastically alter a person's chemical balance and cause daytime ... > full story

Sleep Apnea Increases Risk Of Heart Attack Or Death By 30 Percent (May 21, 2007) -- The nighttime breathing disorder known as obstructive sleep apnea increases a person's risk of having a heart attack or dying by 30 percent over a period of four to five years, according to a new ... > full story

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

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

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

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

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

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

Hallucination -- A hallucination is a sensory perception experienced in the absence of an external stimulus, as distinct from an illusion, which is a misperception of an external stimulus. Hallucinations may occur in ... > full article

Sleep apnea -- Sleep apnea (alternatively sleep apnoea) is a common sleep disorder characterized by brief interruptions of breathing during sleep. These episodes, called apneas, last 10 seconds or more and occur ... > full article

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

Sleep -- Sleep is the regular state of natural rest observed in all mammals, birds and fish. Sleep appears to perform a restorative function for the brain and body, as evidenced by the myriad symptoms of ... > full article