Agrypnia

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Persistent loss of sleep; insomnia; sleeplessness. uncountable
  2. 2
    a vigil before certain feasts (as e.g. Easter) wordnet

Etymology

From Ancient Greek ἀγρυπνία (agrupnía, “sleeplessness, vigilance”).

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