I have a headache due to lack of sleep.

I sleep for 8 hours every night.

I need eight hours of sleep every night.

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.

Early rising is worth three pence.

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

I will sleep now.

Please send him a message quickly.