sound asleep (adjective)

1. The protagonist was sound asleep in his bed when he suddenly woke up and realized it was all a dream.

2. In the futuristic world portrayed in the novel, people were put into pods where they would be sound asleep for hundreds of years.

3. The comic book character, after an exhausting day of fighting crime, finally fell sound asleep in his secret hideout.

4. The monk meditated for hours until he reached a state of deep relaxation and was sound asleep.