What's the reason for going to bed early once in a while?

Some stories about a rare time to go to bed early:

1. I only slept for more than five hours a day for many days in a row. It was a rare day to go to bed early, but I was woken up by the cold around six o'clock. .

2. It was a rare occasion when I went to bed early and dreamed of a bunch of snakes and a bunch of disgusting unknown bugs.

3. It’s rare for me to go to bed early tonight. It’s also rare for me to go to bed early. I’ve already finished washing and lying on the bed.

4. It’s rare that I go to bed early and my phone rebels again. It was 90% charged before going to bed, but now only 25% is left, and it’s still losing power like it jumped off the building.

5. I wanted to get rid of the habit of staying up late, so I went to bed early tonight. It's rare to go to bed early. I just had a nightmare, so it seems like it's better to stay up late!