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agrypnoticadjective An obsolete term referring to insomnia (or wakefulness); insomniac; awake.
noun An obsolete term for an agent which causes insomnia (or wakefulness).
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
agrypnotic(ă″grip-not′ik) [Gr. agrypnos, sleepless]
1. Afflicted with insomnia.
2. Causing wakefulness.
Medical Dictionary, © 2009 Farlex and Partners