Lewis Short
con-dormisco, dormīvi, 3
* V. inch. [dormio], to go entirely to sleep, to fall asleep; only in Plaut. Curc. 2, 3, 81; id. Rud. 2, 7, 13; id. Mil. 3, 2, 13; in perf., id. Most. 2, 2, 55.
Charlton T. Lewis, Charles Short, A Latin Dictionary