sleepiness

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Definitions from WordNet

Noun sleepiness has 1 sense

sleepiness, drowsiness, somnolence - a very sleepy state; "sleepiness causes many driving accidents"
--₁ is a kind of temporary state
Antonyms: wakefulness, sleeplessness
--₁ has particulars: oscitancy, oscitance

Definitions from the Web

Sleepiness

Definition:

Sleepiness is a state of feeling tired and drowsy, usually as a result of lack of sleep or excessive physical or mental exertion.

Parts of Speech:

Noun

Senses:

State of being tired or drowsy.

Usages:

Local:

In some cultures, an afternoon nap is taken to combat sleepiness.

Sample Sentences:

She struggled to keep her eyes open due to sleepiness.
The medication she took caused constant sleepiness.
After the long hike, a wave of sleepiness overwhelmed him.
The professor's monotonous lecture induced sleepiness among the students.
Sleepiness is commonly experienced after the consumption of a heavy meal.

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