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Meaning of daytime sleepiness
A feeling of tiredness or sleepiness during the day
Etymology of daytime sleepiness
The term "daytime sleepiness" is a combination of two words: "daytime" and "sleepiness"
"Daytime" originates from Old English "dæg" meaning "day" and "tīma" meaning "time" or "season"
"Sleepiness" comes from Old English "slēp" meaning "sleep" and the suffix "-iness" which forms a noun indicating a state or condition
The concept of daytime sleepiness has been recognized and described in various cultures and medical traditions throughout history
Synonyms
drowsiness
somnolence
lethargy
fatigue
tiredness
sleep deprivation
exhaustion
languor
lassitude
torpor
sluggishness
grogginess
heaviness
dullness
apathy
listlessness
inertia
indolence
laziness
dormancy
hibernation
stupor
coma
insomnolence
narcolepsy
hypersomnia
somnambulism
Definitions
- A condition characterized by an uncontrollable urge to sleep during the daytime, often due to sleep disorders, lack of sleep, or certain medical conditions
- * A state of drowsiness or lethargy, especially during the daytime, which can interfere with daily activities and productivity
Usage Examples
- Daytime sleepiness can be a symptom of an underlying sleep disorder, such as sleep apnea or insomnia
- * The patient's daytime sleepiness improved significantly after treatment for her sleep disorder
- * Excessive caffeine consumption can lead to daytime sleepiness and other negative side effects