English edit

Etymology edit

From the Greek word άγρυπνος (ágrypnos) meaning sleepless.

Adjective edit

agrypnotic (comparative more agrypnotic, superlative most agrypnotic)

  1. (medicine) Preventing sleep; causing wakefulness; insomniac.

Noun edit

agrypnotic (plural agrypnotics)

  1. (medicine) A medication that prevents sleep.