hypnic headache

Meanings

nounhypnic headache (plural hypnic headaches)

medicineA type of headache that wakes the sufferer from sleep at the same time each night.
Synonyms: alarm clock headache

nounA type of headache that wakes the sufferer from sleep at the same time each night.

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APA

hypnic headache. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hypnic%20headache

MLA

“hypnic headache.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hypnic%20headache. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “hypnic headache,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hypnic%20headache.