ad-dormĭo: īre, 4, v. n.,I to begin to sleep, to go to sleep: rursus addormiunt, Cael. Aurel. 1, 11, 38.
addormĭō, īre, intr. et addormīscō, ĕre, s’endormir : C. Aur. Acut. 1, 11, 83 ; Suet. Claud. 8.