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RSSCircadian 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
... > full story
Insomnia
Insomnia is characterized by
an inability to sleep and/or
to be incapable of remaining
asleep for a reasonable
period. Insomniacs typically
complain of being unable to
close their eyes or "rest
their mind" for more than a
... > full story
Circadian rhythm
A circadian rhythm is a
roughly 24 hour cycle in the
physiological processes of
living beings, including
plants, animals, fungi and
cyanobacteria.
In a strict sense, circadian
rhythms are endogenously
... > full story
Jet lag
Jet lag (aka "jetlag" or
"jet-lag"), is a
physiological condition
which is a consequence of
alterations to the circadian
rhythm. Such alterations
result from shift work,
transmeridian travel, or
... > full story
Browse Reference Articles
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Insomnia Research
Insomnia
Sleep Disorder Research
Sleep Disorders
Obstructive Sleep Apnea
Disorders and Syndromes
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 ... > more -
Sleep Disorder Research
Sleep Disorders
Insomnia
Insomnia Research
Obstructive Sleep Apnea
Disorders and Syndromes
Delayed sleep phase syndrome
Delayed sleep-phase syndrome (DSPS) is a chronic disorder of sleep timing. People with DSPS tend to fall asleep at very late times, and also have difficulty waking up in time for school or work which ... > more -
Sleep Disorder Research
Insomnia Research
Sleep Disorders
Insomnia
Obstructive Sleep Apnea
Disorders and Syndromes
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 ... > more -
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 ... > more -
Sleep Disorder Research
Insomnia Research
Insomnia
Sleep Disorders
Obstructive Sleep Apnea
Disorders and Syndromes
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 ... > more -
Narcolepsy
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 ... > more -
Sleep Disorder Research
Sleep Disorders
Insomnia
Obstructive Sleep Apnea
Insomnia Research
Attention Deficit Disorder
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; ... > more -
Healthy Aging
Attention Deficit Disorder
Disorders and Syndromes
Sports Medicine
Perception
Pregnancy and Childbirth
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 ... > more
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