okay so you know right on youtube right I was (um) watching youtube yesterday and then like like this guy he basically said like (uh) he tried to have a thirty days sleeping routine so in this sleeping routine right he tried to sleep at nine o'clock and wake up at five ya so it's a it's a local youtuber [ah] he's from N_U_S (um) then 他他就在讲 [hor] (err) 他他每天就是 the habit of sleeping is very bad and like he tried to because as student 你懂我们每次都早 s 早