con-dormĭo, īre,
v. n., to fall quite asleep (very rare), * Suet. Aug. 78; Curt. 6, 10, 14 (acc. to Madv. ad Cic. Fin. 5, 4, 11); Hyg. Fab. 125; Capitol. Ver. 4.
con-dormiō —, —, īre, to fall quite asleep, Cu. ...
An Elementary Latin Dictionary