Now the young man was not really dead, but only in a deep sleep.
For all of us getting a good night's deep sleep is important.
We are in deep sleep only two or three hours a night.
Finally, her mother seemed to fall into a deep sleep.
All the students and their teacher go into deep sleep.
Now we're going back to where live history left off, before the deep sleep.
She passed into a deep sleep once we got her in bed.
At which point she fell back into a deep sleep.
She took him through the dark back up to his room, and he fell into a deep sleep.
They all left the room, and I fell into a deep sleep.