Get enough sleep. At your age thats probably 9 hrs a night. A lot of things will follow as a matter of course If sleep is a struggle, then see a mental health

Get enough sleep. At your age thats probably 9 hrs a night. A lot of things will follow as a matter of course If sleep is a struggle, then see a mental health counselor to help you learn the habits and treatments for good sleep, i.e. not one that will just give you a pill and tell you to get lost