What is "agrypnia"

n. (context medicine English) Persistent loss of sleep; insomnia; sleeplessness.

n. a vigil before certain feasts (as e.g. Easter)

Agrypnia may refer to:

• The Wake, a 2005 Greek film.
• Vigil, a period of purposeful sleeplessness, an occasion for devotional watching, or an observance.
• A case of sleep deprivation.
• Insomnia (rarely).