Excessive daytime sleepiness
Excessive Daytime Sleepiness
Excessive Daytime Sleepiness (EDS) is a condition characterized by persistent sleepiness and often a general lack of energy, even after apparently adequate or even prolonged nighttime sleep. EDS can be considered as a broad condition encompassing several sleep disorders where increased sleep is a symptom, or as a symptom of another underlying disorder like narcolepsy, sleep apnea, circadian rhythm sleep disorders, or sleep deprivation.
Pronunciation
Excessive Daytime Sleepiness: /ɪkˈsɛsɪv ˈdeɪtaɪm ˈsliːpɪnɪs/
Etymology
The term "Excessive Daytime Sleepiness" is derived from the English language. "Excessive" comes from the Latin word "excessus" meaning 'departure, a going beyond', "daytime" is from the Old English "dæg" and "tīd" meaning 'day' and 'time' respectively, and "sleepiness" is from the Old English "slæp" meaning 'sleep' and the suffix "-ness" denoting a state or condition.
Related Terms
- Narcolepsy: A neurological disorder that affects the control of sleep and wakefulness.
- Sleep Apnea: A serious sleep disorder that occurs when a person's breathing is interrupted during sleep.
- Circadian Rhythm Sleep Disorders: A family of sleep disorders affecting the timing of sleep.
- Sleep Deprivation: The condition of not having enough sleep; it can be either chronic or acute.
See Also
External links
- Medical encyclopedia article on Excessive daytime sleepiness
- Wikipedia's article - Excessive daytime sleepiness
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