outsleep
/ˌaʊtˈsliːp/verb
1 [with object] To sleep beyond (a specified time, etc.). Also occasionally refl.: to oversleep. Now rare.
2 [with object] To sleep (a period of time, etc.) out or to an end; to overcome through sleep; to sleep (something) off.
3 [with object] To sleep longer than.
Origin
Mid 16th century; earliest use found in John Bale (1495–1563), bishop of Ossory, evangelical polemicist, and historian. From out- + sleep.