Lexical Definition

‎ἀφυπνόω‎ aphypnóō (af-oop-no'-o) to fall sleep ^G:V
from a compound of ‎ἀπό‎ and ‎ὕπνος‎

fall asleep.

• properly, to become awake, i.e. (by implication) to drop (off) in slumber

Abbott-Smith

**† ἀφ-υπνόω, -ῶ (< ὑπνόω, to put to sleep), [in Al.: Ge 28:11*;]
1. to awake from sleep (Anth.).
2. = cl. καθυπνόω (MM, s.v.), to fall asleep: Lk 8:23.†

Abbott-Smith References

Liddell-Scott-Jones

ἀφυπνόω-όω,

awake from sleep, [Refs 1st c.AD+]

__II fall asleep, [NT+7th c.AD+]:—middle, [Refs 3rd c.AD+]

_{LSJ Scripture Refs: Luke.8.23}