ἀποκαθεύδω
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη. Τὸ δὲ ἡττᾶσθαι αὐτὸν ὑφ' ἑαυτοῦ πάντων αἴσχιστόν τε ἅμα καὶ κάκιστον. → Τo conquer yourself is the first and best victory of all, while to be conquered by yourself is of all the most shameful as well as evil
English (LSJ)
A sleep away from home, ἐς τὸ ἱερόν Philostr.VS2.4.1; of a woman separated from her husband, sleep apart, Eup.399. II fall asleep over a thing, Them.Or.1.13d.