as in insomnia
the inability to obtain adequate sleep
the prolonged bouts of sleeplessness were starting to affect his work
Synonyms & Similar Words
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Antonyms & Near Antonyms
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Recent Examples of sleeplessness
This sleeplessness has reportedly persisted in jail.
—
Diego Lasarte, New Yorker, 21 Apr. 2026
His claims cited sleeplessness, soreness, anxiety and stress.
—ABC News, 21 Apr. 2026
Like me, Pinker also suffered from weeks of sleeplessness and anxiety.
—Katie Jackson, Outside, 19 Mar. 2026
As exhaustion mounts, the boundary between waking life and possession collapses, forcing the women to confront both a supernatural threat and a system that thrives on sleeplessness.
—Naman Ramachandran, Variety, 15 Jan. 2026
Something that becomes more noticeable as time marches on is how easily our faces show any sign of stress, sleeplessness, a bit too much salt, or that glass of wine.
—Kaitlyn Yarborough, Southern Living, 3 Jan. 2026
Mayo Clinic listed other potential symptoms, including extreme fatigue, muscle weakness, depression, anxiety, irritability, mood swings, trouble with concentration and memory, headache, sleeplessness, skin darkening and stunted growth in children.
—Angelica Stabile, FOXNews.com, 13 Dec. 2025
In fact, prioritizing overall wellbeing throughout the year — whether managing stress, exercising more, or seeking help for sleeplessness — is always her top tip.
—Jacqueline Kilikita, Refinery29, 12 Dec. 2025
Cognitive behavioral therapy for insomnia, or CBT-I, is the gold-standard treatment for sleeplessness in both children and adults.
—Veronique Greenwood, Time, 10 Nov. 2025
Diego Lasarte, New Yorker, 21 Apr. 2026
His claims cited sleeplessness, soreness, anxiety and stress.
—ABC News, 21 Apr. 2026
Like me, Pinker also suffered from weeks of sleeplessness and anxiety.
—Katie Jackson, Outside, 19 Mar. 2026
As exhaustion mounts, the boundary between waking life and possession collapses, forcing the women to confront both a supernatural threat and a system that thrives on sleeplessness.
—Naman Ramachandran, Variety, 15 Jan. 2026
Something that becomes more noticeable as time marches on is how easily our faces show any sign of stress, sleeplessness, a bit too much salt, or that glass of wine.
—Kaitlyn Yarborough, Southern Living, 3 Jan. 2026
Mayo Clinic listed other potential symptoms, including extreme fatigue, muscle weakness, depression, anxiety, irritability, mood swings, trouble with concentration and memory, headache, sleeplessness, skin darkening and stunted growth in children.
—Angelica Stabile, FOXNews.com, 13 Dec. 2025
In fact, prioritizing overall wellbeing throughout the year — whether managing stress, exercising more, or seeking help for sleeplessness — is always her top tip.
—Jacqueline Kilikita, Refinery29, 12 Dec. 2025
Cognitive behavioral therapy for insomnia, or CBT-I, is the gold-standard treatment for sleeplessness in both children and adults.
—Veronique Greenwood, Time, 10 Nov. 2025
Recent Examples of Synonyms for sleeplessness
Noun
-
Greg had crashed cars but had not had insomnia.—
Weike Wang,
New Yorker,
17 May 2026
-
Shift Work Sleep Disorder, or SWSD, is the clinical name for the persistent insomnia or excessive sleepiness that lasts more than three months and is tied directly to a person’s work schedule.—
Allison Palmer,
Fort Worth Star-Telegram,
16 May 2026
Noun
-
These moments of sudden restlessness come for all of us sooner or later.—
Big Think,
Big Think,
6 May 2026
-
Hours after the terrifying rampage, a similar fatal incident took place at Koodalminikyam Temple in Irinjalakuda when an elephant that had shown signs of restlessness during a ritual procession the night before broke out of its enclosure and attacked its handlers, per News Karnataka.—
Desiree Anello,
PEOPLE,
3 May 2026
Cite this Entry
“Sleeplessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleeplessness. Accessed 18 May. 2026.
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