1. She fell asleep quickly.
2. He lay down on the sofa and soon fell asleep.
3. I spent 48 hours for finishing this report, I am so tired that I almost fell asleep on my way to school.
4. I fell asleep earlier than usual.
5. I fell asleep in class yesterday.
6. Most people fall asleep in seven minutes.
7. I know when you fall asleep.
8. I need some time to fall asleep.
9. I often fall asleep when reading.
