dogsleep noun2 •Light or fitful sleep; a nap that is easily interrupted.[M]any of the convicts made up for their lack of rest by snatching a dog-sleep in the bared bunks. — 1874 •(no longer used) Feigned sleep.Juvenal, indeed, mentions a drowsy husband, who raised an estate by snoring, but then he is represented to have slept what the common people call dog's sleep — 1711