Psychiatrists diagnose mental health disorders and prescribe certain medications to help the person cope with their illness(es). They also recommend different activities, such as therapy or support groups to give the person some extra resources. Is this what you were looking for? If not, I'd be happy to help some more :)
my parents were worries about my sleep schedule and have always had restrictions on my phone and still do, im going to be 18 next year and still have strict phone rules. they are trying to protect you but they may not understand how frustrating it is