洗洗睡

xǐ xǐ shuìxixishui

1. to have a shower and go to bed
2. (fig.) (slang) (neologism) (often sarcastic) to give up on sth unrealistic; to stop kidding oneself; (used dismissively, typically as 洗洗睡吧[xi3 xi3 shui4 ba5]) keep dreaming

Study it in Yanamino