31yr male -sleep internal tremors, sleep apnea. Wake up gasping for air, GERD for 1yr, high bp, sinusitis, awake muscle fatigue. What's causing tremors?

Sleep apnea . This could all be related to sleep apnea. You will require a sleep study and possibly treatment. There are many other causes for your symptoms. You will need to follow-up with your doctor. These symptoms require a systematic approach until a final diagnosis is found .