How long was the best time to read at night?

I heard that if you read at night for a long time, you'll be prone to short-sightedness. How much brightness do you need to read at night? What was the best time?

Answer 1

The amount of time spent reading at night varies from person to person, but generally speaking, it is recommended to read for 3-4 hours at night and then rest for 30-60 minutes. This way, he could maintain the health of his body and brain while improving his reading efficiency.

It should be noted that one should avoid staying up too late when reading at night to avoid affecting the quality of sleep. In addition, you should also pay attention to the reading environment to avoid too dark or too bright so as not to affect the reading effect.