Open Question: Whats wrong with me will i die?

Ok so im 11 years old and every night i try to go to sleep (btw i go to sleep at 3 am (at the earliest) and some times even 6 or 5 am (is that bad) well every time i try to go to sleep i cant swallow then my throat gets really dry (NO SYLIVA AT ALL) and then i kinda cant breathe and have to sit up and take sips of water and i cant sleep at all i start to panic if i cant sleep becuz i cant breathe or have no syliva so i dont know whats wrong with me ): whats wrong with me? (by the way my parents smoke and i sleep with my dog (but im not allergic to him AND they DO NOT smoke around me)