semisomnia

Meanings

nounsemisomnia (uncountable)

neologismuncountableA chronic state of low-grade exhaustion caused by too little or fitful sleep.
Like many people, Heidi is suffering from the effects of modern society's non-stop nature, and she is also struggling to separate her work and home life - what I call the "Blackberry-Bushed" cause of semisomnia.
2007 December 7, Catherine Vonledebur, “Too tired to get night's sleep”, in Coventry Evening Telegraph

From Latin semi- (“half”) + somnus (“sleep”) + -ia. Compare with insomnia. Coined by British sleep expert Neil Stanley in 2007.

More words from Latin

Cite this entry

APA

semisomnia. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/semisomnia

MLA

“semisomnia.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/semisomnia. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “semisomnia,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/semisomnia.