oversleep

[ oh-ver-sleep ]

/ ˌoʊ vərˈslip /

to sleep beyond the proper or intended time of waking: He overslept and missed his train.

to sleep beyond (a certain hour): She had overslept her usual time of arising.

to let (oneself) sleep past the hour of arising: Of all mornings to oversleep myself!

Origin of oversleep

Middle English word dating back to 1350–1400; see origin at over-, sleep

I heartily hoped they might all oversleep themselves that morning.

Lands of the Slave and the Free |Henry A. Murray
Then he slept, but he had purposely brought no blankets and he built no fire, because he did not want to oversleep.

The Lost Wagon |James Arthur Kjelgaard
It could not be more than five minutes to six—might not he who had slept so long, for once oversleep himself?

Blackwood's Edinburgh Magazine, Vol. 66, No 405, July 1849 |Various
Poor Junie would have to oversleep herself on Sunday, that was all.

The Glimpses of the Moon |Edith Wharton

From excessive fatigue you may oversleep and wake thoroughly chilled.

Canadian Wilds |Martin Hunter

oversleep

/ (ˌəʊvəˈsliːp) /

(intr) to sleep beyond the intended time for getting up