as in drowsiness
the quality or state of desiring or needing sleep
the truck driver keeps a thermos of coffee with him to stave off sleepiness
Synonyms & Similar Words
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Antonyms & Near Antonyms
1
as in sleeping
desiring or needing sleep
the sleepy children were carried up to bed
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Antonyms & Near Antonyms
2
as in dull
slow to move or act
a sleepy little town on the coast
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Antonyms & Near Antonyms
3
as in hypnotic
tending to cause sleep
the sleepy drone of his voice made staying awake a challenge
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4
as in slow
lacking in gaiety, movement, or animation
a sleepy party that was mostly attended by the same boring people I work with
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Example Sentences
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Recent Examples of sleepiness
Mark Travers, Forbes.com, 25 Aug. 2025
Essentially, high levels of this metabolite is an indication that the body is responding to stress effectively, and people with more of it were less likely to report daytime sleepiness.
—New Atlas, 24 Aug. 2025
Paige Moore, AZCentral.com, 7 Oct. 2025
The scandal has jolted the somewhat sleepy Virginia statewide races as Democrats hope to flip the governor, the lieutenant governor, and the attorney general seats.
—Mabinty Quarshie, The Washington Examiner, 7 Oct. 2025
See All Example Sentences for sleepiness
Noun
Is your sleepiness a symbol of your love?
—Mark Travers, Forbes.com, 25 Aug. 2025
Essentially, high levels of this metabolite is an indication that the body is responding to stress effectively, and people with more of it were less likely to report daytime sleepiness.
—New Atlas, 24 Aug. 2025
Adjective
The sleepy town offers an escape from the desert, with giant pines and green landscapes.
—Paige Moore, AZCentral.com, 7 Oct. 2025
The scandal has jolted the somewhat sleepy Virginia statewide races as Democrats hope to flip the governor, the lieutenant governor, and the attorney general seats.
—Mabinty Quarshie, The Washington Examiner, 7 Oct. 2025
See All Example Sentences for sleepiness
Recent Examples of Synonyms for sleepiness
Noun
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Acute exposure may cause drowsiness, dizziness and headaches, as well as eye, skin and respiratory tract irritation, and unconsciousness at high levels.—
Noelle Phillips,
Denver Post,
30 Sep. 2025
-
However, this depression of the CNS may result in drowsiness, sedation, and lack of mental alertness.—
Alex Yampolsky,
Verywell Health,
29 Sep. 2025
Adjective
-
Reeves delivers on all phases of his character arc, making a potentially dull and earnest character soar.—
Brian Truitt,
USA Today,
16 Oct. 2025
-
The text is excitable and wayward, while many of the photographs are dramatically dull.—
Literary Hub,
Literary Hub,
16 Oct. 2025
Adjective
-
The deep green glass vessel, etched with vertical lines reminiscent of towering tree trunks, shifts from khaki to warm browns and golden yellows as the flame flickers, casting a hypnotic glow that’s as enchanting as its aroma.—
Michael Stefanov,
Robb Report,
14 Oct. 2025
-
Daniil Medvedev and Learner Tien have continued their hypnotic rivalry.—
Matthew Futterman,
New York Times,
9 Oct. 2025
Adjective
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Losing is so deeply ingrained in the fabric of this franchise that every slow start has the potential to snowball.—
Matthew Fairburn,
New York Times,
12 Oct. 2025
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His administration has seen some success; inflation in Argentina eased this year to the slowest monthly pace in more than four years.—
Bryan Mena,
CNN Money,
12 Oct. 2025
Noun
-
Now, Google is rolling out a new Chrome feature on Android and desktop to help cut through notification fatigue.—
PC Magazine,
PC Magazine,
12 Oct. 2025
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Another study found that creatine can help support those with traumatic brain injuries, showing improvements in amnesia, headaches and fatigue.—
Angelica Stabile,
FOXNews.com,
11 Oct. 2025
Adjective
-
Taking minoxidil orally can support the hair follicle cycle and trigger anagen (the resting phase) prematurely.—
Jessie Quinn,
Flow Space,
23 Sep. 2025
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During the resting phase, hair stops growing and will shed, or fall out.—
Jessica Swirble,
Verywell Health,
10 July 2025
Adjective
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Meanwhile, the room service menu, which blended everything from soups and sandwiches to expansive plates, was a great option for breakfast in bed or a lazy lunch.—
Victoria Uwumarogie,
Essence,
10 Oct. 2025
-
The action itself may feel lazy, but the result is trouble-free, straightforward cool.—
Cortne Bonilla,
Vogue,
9 Oct. 2025
Noun
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On the second floor, there’s laundry and a sleeping area with a picture-frame-size window, and above that, a bonus room right off the terrace that can work as an office or guest accommodations.—
Matthew Sedacca,
Curbed,
13 Oct. 2025
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Grumpy Bear also offers the option of a Disc-O-Bed cot that can mount over top the bed and serve as a third sleeping berth – a little snug for sure, but for a family of three, why not?—
New Atlas,
New Atlas,
12 Oct. 2025
Cite this Entry
“Sleepiness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleepiness. Accessed 19 Oct. 2025.
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