agrypnotic
Ag`ryp*not"ic, n. Etym: [Gr. agrypnotique.] Defn: Anything which prevents sleep, or produces wakefulness, as strong tea or coffee.
Ag`ryp*not"ic, n. Etym: [Gr. agrypnotique.] Defn: Anything which prevents sleep, or produces wakefulness, as strong tea or coffee.