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Definition of Agrypnia
1. Noun. A vigil before certain feasts (as e.g. Easter).
Definition of Agrypnia
1. insomnia [n -S] - See also: insomnia
Medical Definition of Agrypnia
1. Rarely used term for insomnia. Origin: G. Sleeplessness, fr. Agreo, to hunt after, + hypnos, sleep (05 Mar 2000)