sleepiness
-
a word derived from
sleepy.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
All those things make for a powerful wave of sleepiness, so I’ll take a nap.
From Los Angeles Times ● Oct. 23, 2026
But caffeine hangs around in the body and blocks the build-up of sleepiness throughout the day.
From BBC ● Sep. 22, 2026
In a small study on people with insomnia, when they were given a false negative sleep score, those individuals reported sleepiness and fatigue, as well as lower levels of alertness and clear thinking.
From Slate ● Aug. 11, 2026
Patients often sleep poorly at night despite the daytime sleepiness.
From The Wall Street Journal ● Aug. 6, 2026
Long and narrow they were, with a dark sleepy look in them, and in the middle of that dark sleepiness a wakeful light glittered like a jewel.
From "Mary Poppins" by P. L. Travers
![]()