wakeless

/ˈweɪkləs/
adjective
  1. Describing sleep that is deep and undisturbed, without any waking or interruption.
    • The baby's wakeless slumber gave the exhausted parents a much-needed rest.
    • After the long hike, she fell into a wakeless sleep that lasted twelve hours.
    • He lay in a wakeless state, completely unaware of the storm raging outside.
Antonyms
What does "wakeless" mean? | whatsthatwordmean | whatsthatwordmean