She fell fast asleep over a study aid.

While he was studying, he fell asleep.

As soon as he went to bed, he fell fast asleep, for he was very tired.

He fell asleep immediately.

The baby has fallen asleep.

My sister would often cry to sleep when she was a baby.

I had hardly fallen asleep when the telephone rang.

The children all had gone to sleep before it got dark.

The child soon fell asleep in the bed.

Sitting over my book, I fell asleep.

Left to itself, the baby cried itself to sleep.

The baby wept to sleep.

The baby cried itself to sleep.

That child soon fell asleep.

While I was reading, I fell asleep.

Tom quickly fell asleep.