hypersomnia
noun
hy·per·som·nia
| \ ˌhī-pər-ˈsäm-nē-ə
\
\
Definition of hypersomnia
: 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 SupleeKeep scrolling for more
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More Definitions for hypersomnia
hypersomnia
noun
hy·per·som·nia
| \ -ˈsäm-nē-ə
\
\
Medical Definition of hypersomnia
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