Using old-fashioned language, he said, 'I need to get some sleep.'

In the old days, people went to sleep early when night came.

In the old days, people said 'Nenu,' which meant 'to sleep,' as we say today.

You need a sleeping bag when you sleep in the mountains.

I will sleep now.

He was alone in the room.

There are a lot of wrigglers in this puddle.

He quickly becomes accustomed to new environments.

It's unfair to give him the responsibility.

He sometimes forgets his monthly payments.