What Causes Breathless Followed By Gasping And Vomiting Sensation?

my 15 yr old wakes up having trouble breathing, gasping for breath, like wanting to throw up, unable to talk, seems lethargic, no history of azthma, doen't have a cold, he is seeing a gastroenterologist, had test run has follou up appointment. question: would this symptom be due to gastrointestinal problem/