The relationship between brain tumor and staying up late for a long time is not particularly close, and there is no reliable report showing this situation. However, staying up late for a long time is harmful to the body, especially to the nervous system. It's better to stay up late in the future. If you have sleep disorders, you can take oryzanol tablets and vitamin B 1 tablet orally.
Only on behalf of personal views, don't spray if you don't like it, thank you.