Some people work better in the morning and others work better in the afternoon

This is most likely because of your sleep schedule. If you sleep very late you probably won`t be a morning person. vice versa
this is caused by a hormone in your body As you age this is supposed to change and you become more active during the day than at night. A reason why old people tend to sleep early and rise early.

Dis the answer and i know because i took the quiz