somniphobia.
Fear of falling asleep; fear of a disaster while sleeping.
Meaning & usage
Fear of falling asleep; fear of a disaster while sleeping.
Due to somniphobia, Jason has a compulsive habit of getting out of bed and changing his clothes at night.
Where this word comes from
From somni- (“sleep”) + -phobia.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.