Obtaining enough sleep during the day is a major problem for many night workers.

There are special rules for young workers and night workers.

I ran into some night workers, only they weren't packing food.

They are nearly all night workers, finding the days too hot and white.

There was a great air of urgency and commotion among these night workers.

But the life of a night worker can be much more difficult when families are involved.

When the day people move out, the night workers come in and the economy keeps rolling along.

The room seemed to have been a lounging place for night workers.

A night worker is someone who regularly works for at least three hours during this period.

He sold to night workers, and patrons of men's clubs.