Med. [mod. L. ad. Gr. ἀγρυπνία sleeplessness.] Wakefulness, sleeplessness.
1684. trans. Bonet’s Merc. Compit., III. 67. In curing an Agrypnia (or Want of Sleep).
1753. Chambers, Cycl. Supp., Agrypnia in the Greek church, is used for the vigil of any of the greater feast-days.
1853. in Mayne, Exp. Lex.
