Seeman found that elderly people who felt emotionally isolated maintained higher levels of stress hormones even when asleep.
adj. to be fast asleep;to be sound asleep：熟睡；酣睡
Turning over, she was soon sound asleep again.
The children were both fast asleep in their cots.
adj. to fall asleep：睡着；入睡
Sam snuggled down and fell asleep.
The minute my head touched the pillow I fell asleep.
The FBI was either asleep or inept or both.
The rugby club has been asleep for five years and it's just woken up.
With her parents asleep upstairs, Jen sneaked out of the house.
He found her asleep in the chair.
He was asleep before I left the room.
My four-year-old daughter was asleep on the sofa.
My foot's asleep again.
One of my legs has fallen asleep.