What is Slumber?

Slumber definition and meaning on Dictionary terms:
verb (used without object)
to sleep, especially lightly; doze; drowse.
to be in a state of inactivity, negligence, quiescence, or calm: Vesuvius is slumbering.

verb (used with object)
to spend or pass (time) in slumbering (often followed by away, out, or through): to slumber the afternoon away.
to dispel or forget by slumbering (often followed by away): to slumber cares away.

Sometimes slumbers. sleep, especially light sleep.
a period of sleep, especially light sleep.

a state of inactivity, quiescence, etc.