κείω

A. to lie down, went to bed, Od. 14.532, cf. 18.428; ἔνθ’ ἴομεν κείοντες Il. 14.340; κείω I will lie, Od. 19.340; κειέμεν οὕτω that they will lie thus, 8.315; ὄρσο κέων get thee to bed, 7.342.

2. later, simply, sleep, rest, Arat. 1009.