hypersomnia

noun

hy·per·som·nia ˌhī-pər-ˈsäm-nē-ə How to pronounce hypersomnia (audio)

: a disorder of sleep that is characterized by prolonged nocturnal sleep periods which typically occur at least three times a week, by sleep that is not restorative or refreshing, and by the presence of excessive daytime sleepiness

Note: Hypersomnia may occur secondary to a medical condition (such as sleep apnea or depression) or the use of certain medications or may arise spontaneously from an unknown cause.

The International Classification of Sleep Disorders defines idiopathic hypersomnia as a disorder of excessive sleepiness that is associated with major sleep episodes, the cause of which is presumed to lie in the central nervous system.

Sudhansu Chokroverty

also : excessive daytime sleepiness not associated with disturbed nocturnal sleep : hypersomnolence

Psychology Today reports that people who persistently fall asleep at their desks may be suffering from the dread hypersomnia …

Curt Suplee

单词	hypersomnia
释义	hypersomnia noun hy·per·som·nia ˌhī-pər-ˈsäm-nē-ə : a disorder of sleep that is characterized by prolonged nocturnal sleep periods which typically occur at least three times a week, by sleep that is not restorative or refreshing, and by the presence of excessive daytime sleepiness Note: Hypersomnia may occur secondary to a medical condition (such as sleep apnea or depression) or the use of certain medications or may arise spontaneously from an unknown cause. The International Classification of Sleep Disorders defines idiopathic hypersomnia as a disorder of excessive sleepiness that is associated with major sleep episodes, the cause of which is presumed to lie in the central nervous system. Sudhansu Chokroverty also : excessive daytime sleepiness not associated with disturbed nocturnal sleep : hypersomnolence Psychology Today reports that people who persistently fall asleep at their desks may be suffering from the dread hypersomnia … Curt Suplee Word History First Known Use 1863, in the meaning defined above Medical Definition hypersomnia noun hy·per·som·nia -ˈsäm-nē-ə 1 : sleep of excessive depth or duration 2 : a disorder of sleep that is characterized by prolonged nocturnal sleep periods which typically occur at least three times a week, by sleep that is not restorative or refreshing, and by the presence of excessive daytime sleepiness The International Classification of Sleep Disorders defines idiopathic hypersomnia as a disorder of excessive sleepiness that is associated with major sleep episodes, the cause of which is presumed to lie in the central nervous system. Sudhansu Chokroverty also : excessive daytime sleepiness not associated with disturbed nocturnal sleep : hypersomnolence
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hypersomnia

noun

Word History

Medical Definition

noun