She went to sleep early last night.

Sleep disorders can have a significant impact on a person's overall health and well-being.

Sleep apnoea is a sleep disorder characterized by pauses in breathing or instances of shallow or infrequent breathing during sleep.

I need to sleep off this headache.

I often sleep over at my friend's house on weekends.

He sleeps off his tiredness after a long day at work.

He entered cold sleep to survive the long journey.

I always lose sleep over exams.

Sleep tight, sweet dreams!

Sleep tight and have sweet dreams.