Synonyms of insomnia

insomnia

noun

in-ˈsäm-nē-ə 

as in restlessness

the inability to obtain adequate sleep

has suffered from insomnia virtually his entire life

Synonyms & Similar Words

• restlessness
• wakefulness
• sleeplessness
• alertness

Antonyms & Near Antonyms

• drowsiness
• sleepiness
• narcolepsy

Example Sentences

Recent Examples of insomnia

How Sleep Patterns Connect to Hemorrhoid Risk A study published in Neuropsychiatric Research in August 2026 examined whether sleep patterns like insomnia, sleep duration and daytime napping may influence the risk of developing hemorrhoids. — Samantha Agate, Miami Herald, 3 Sep. 2026

New research is bringing sound sleep health into the gut-adjacent conversation, using genetic methodology to probe whether insomnia, sleep duration and daytime napping causally influence hemorrhoid risk. — Samantha Agate, Fort Worth Star-Telegram, 3 Sep. 2026

Woods checked into rehab shortly after that incident, saying his efforts to manage insomnia and pain from his staggering number of back surgeries on his own was a mistake. — Steve Henson, Los Angeles Times, 2 Sep. 2026

Common side effects include dizziness, fast heart rate, high blood pressure, anxiety, headache, insomnia and loss of appetite. — Jen Christensen, CNN Money, 29 Aug. 2026