Possible version:
My friend also has two other problems.She is always late for school.I think she shouldn’t stay up later on weekdays.She should get an alarm clock.She should rides her bike to school.If she has an alarm clock,she will get up early.If she rides her bike to school,it will costs her less time to get to school.She thinks physics is too difficult for her.I think she should take notes in class.She should also do more exercises.She should ask the teacher for help after class.