Melatonin. HOWEVER, start with a small dose (Trader Joes has 3 mcg chewables). I take 1/2 to 1 and that helps a lot. Pillows under my legs/knees and a cervical pillow are a must for me.

I once had sleep apnea.i had the CPAP.i had a very stressful,was eating all wrong,changed my diet which was high sodium and lost 40 pounds.no more sleep apnea.have you been to ear nose throat person to see if you have nasal polyps or something in your air passages