Maybe your teen seems grouchy. Maybe she is irritable or seems disinterested and lethargic. You are frightened. Perhaps, your teen is depressed or having some problems that need to be attended to. We have something else for you to consider. Perhaps your teen is simply tired and not getting enough sleep. After all, teens require about nine hours of sleep to function at their best. We are painfully aware that many of them don't get this amount of sleep for reasons including: homework, extra-curricular activities, social activities, and especially use of computers, phones, and other gadgets. Yes, we are talking about all of those activities that get in between your teen and his/her rest. And, how about those bus and school schedules that are NOT designed for teens to get adequate amounts of rest? We all know what a struggle it is for teens to get up at those early hours.
Sleep deprivation may lead to many problems including: mood swings, drowsiness, and difficulty concentrating. If that's the effect that this has on adults then multiply by 5 and imagine what effect it has on teens.
Before you label your teen as surly and depressed-figure out how much sleep they are or are not getting. Help them work on their sleep schedules before dragging them to the closest therapist. A little sleep may go a long way.