Stage one is characterized by light sleep and lasts roughly 10 minutes.

But the dreamer's brain waves are more like those of light sleep.

The first stage lasts about 5 to 10 minutes and is considered very light sleep.

After a while he dropped into a light sleep.

In his home, always within quick reach of a weapon, he could succeed at something more than light sleep.

He then lay in his bed, fully clothed, and fell into a light sleep.

You will be in a light sleep during this part of the procedure.

With relief he watched her slip into a light sleep.

He sat there for perhaps an hour, then drifted into a light sleep.

The pounding on the door wrenched Smith out of a light sleep.