Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun medicine Excessive
sleepiness
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an inability to stay awake
Etymologies
Sorry, no etymologies found.
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Examples
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About 9 to 10 percent have what is known as hypersomnia, meaning that they have excessive sleepiness, both at night and during the day.
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About 90 percent had something known as hypersomnia, which means that they sleep too much at night.
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She was not in a coma, the doctors said, but in a state of hypersomnia, long hours of deep slumber from which she could be roused only with great difficulty.
FALSE MERMAID ERIN HART 2010
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Many conditions can contribute to hypersomnia, marked by excessive daytime sleepiness, prolonged nighttime sleep, and a need for repeated naps during the day.
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Many conditions can contribute to hypersomnia, marked by excessive daytime sleepiness, prolonged nighttime sleep, and a need for repeated naps during the day.
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She was not in a coma, the doctors said, but in a state of hypersomnia, long hours of deep slumber from which she could be roused only with great difficulty.
FALSE MERMAID ERIN HART 2010
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People are more likely to have insomnia than hypersomnia.
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Sleep changes: Either insomnia, especially waking in the early hours of the morning, or oversleeping (also known as hypersomnia).
National Depression Screening Day « Happy Healthy Hip Parenting 2008
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Are there any proven treatments for hypersomnia, or excessive sleeping? —
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It was the beginning of a downward cycle that led to concentration problems, and a combination of insomnia and hypersomnia (which I attributed to “catching up on my sleep”).
National Depression Screening Day « Happy Healthy Hip Parenting 2008
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Even so, I set about acquiring a better understanding of sleep and its discontents, both dyssomnias — encompassing insomnia and hypersomnia (excessive sleepiness during the day) — and parasomnias (abnormal behavior during sleep, from teeth grinding to sleepwalking).
Segmented Sleep, by A. Roger Ekirch A. Roger Ekirch 2013
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