How long should teens be active each day to meet the recommendations in the dietary guidelines for americans?

Teens should do at least 60 minutes of physical activity per day. This physical activity can be moderate things such as walking. At least 3 days a week teens should do more intense physical activity.

Maybe if you put away all your electronics and lock them with a key and give the key to some one you trust like your parents for about a month to stop the process

It settles nerves, reduces the tension.