最近两年只要作息不规律睡得少思考能力就会非常差。像C老师那样人到中年晨昏颠倒还保持思维能力和精力旺盛真不知道怎么做到的。。。
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.