It’s my friend’s r____ to go to bed early every day

It’s my friend’s r____ to go to bed early every day
It’s my friend’s r____ to go to bed early every day

It’s my friend’s r____ to go to bed early every day
It’s my friend’s rule to go to bed early every day .
朋友的原则/规则是每天早睡.

routine 常规，例行公事
希望我的回答能够帮到您，祝学习进步！ (*^__^*)