Synonyms of sleeplessness

sleeplessness

noun

as in insomnia

the inability to obtain adequate sleep

the prolonged bouts of sleeplessness were starting to affect his work

Synonyms & Similar Words

• insomnia
• restlessness
• wakefulness
• alertness

Antonyms & Near Antonyms

• drowsiness
• sleepiness
• narcolepsy

Example Sentences

Recent Examples of sleeplessness

If a woman’s brain fog is recorded as early signs of dementia, her anxiety as psychiatric condition, or her sleeplessness as an isolated complaint, the symptom or misdiagnosis may enter the medical record, but its connection to menopause disappears. — Yulin Hswen, STAT, 27 Aug. 2026

Symptoms Symptoms can include sleeplessness, extreme worry about the baby or childbirth, restlessness and a racing heartbeat. — Jen Christensen, CNN Money, 13 Aug. 2026

When a roadside bomb struck his Humvee convoy months later, the explosion’s shock wave swept through his body before headaches and sleeplessness set in for days. — ABC News, 6 Aug. 2026

Within weeks, the pattern looked closer to anxiety than disagreement, including sleeplessness and panic before meetings. — Expert Panel®, Forbes.com, 27 July 2026

Because of their history of poor sleep, people with insomnia may suffer from anxiety about getting inadequate sleep, which can then increase sleeplessness at night. — Lauren Jarvis-Gibson july 18, Fort Worth Star-Telegram, 18 July 2026

Other symptoms included headache, chills, weakness and sleeplessness. — Ken Alltucker, USA Today, 17 July 2026

This sleeplessness has reportedly persisted in jail. — Diego Lasarte, New Yorker, 21 Apr. 2026

Like me, Pinker also suffered from weeks of sleeplessness and anxiety. — Katie Jackson, Outside, 19 Mar. 2026