I'm 12 and I cry and scream and stuff in my sleep?

Like everyone says I cry scream and hyperventilat in my sleep. my friends mom said I should see a therapist but my family can't afford that. and I don't go to public school so like what should I do? I really want to know if somethings wrong with me because, I don't remember anything about any dreams but when I wake up I'm more tired then when I went to bed. and I took a video of myself sleeping and I really do look freaked out so what do you think?...