Liddell-Scott-Jones

ἐπικοιμάομαι (epikoimaomai) to rest upon ^G:V

ἐπικοιμάομαι-άομαι,

fall asleep after a thing, [Refs 5th c.BC+]; or, over a thing, [τοῖς βιβλίοις] [Refs 2nd c.AD+]: absolutely, fall asleep, δοκεῖς οὐ καθεύδων ἐπικεκοιμῆσθαι 5th-6th c.BC: Plato Philosophus “Euthydemus” 300a.

__2. ἐ. ἐπί τινα overlay, [LXX+1st c.AD+]
__II. metaphorically in perfect participle passive, sleepy or negligent about a thing, [Refs]

_{LSJ Scripture Refs: LXX.2Kgs.3.19}