slumber

noun

1. A very light state of sleep, almost awake.

   “Fast asleep? It is no matter; / Enjoy the honey-heavy dew of slumber.”

   “Ev’n Luſt and Envy ſleep, yet Love denies / Reſt to my Soul, and ſlumber to my Eyes.”

   “He at last fell into a slumber, and thence into a fast sleep, which detained him in that place until it was almost night.”

2. (broadly)A very light state of sleep, almost awake.
3. (figuratively)A state of ignorance or inaction.

   “Marcel Duchamp's urinal and readymades seemed in the beginning to be insider jokes or jokelike paradoxes meant to awaken people from their aesthetic slumbers.”

4. (rare)The snooze button on an alarm clock.

verb

1. (intransitive)To be in a very light state of sleep, almost awake.

   “He that keepeth Israel shall neither slumber nor sleep.”

   “If Sleep and Death be truly one, ⁠And every spirit’s folded bloom ⁠Thro’ all its intervital gloom In some long trance should slumber on; […]”

2. (intransitive)To be inactive or negligent.
3. (obsolete, transitive)To lay to sleep.

   “slumber his conscience”

4. (obsolete, transitive)To stun; to stupefy.

   “Then vp he tooke the slombred sencelesse corse.”