We know that it is important to have as much breathing airway available during sleep. We have 2 areas that receive air in and out so keeping them free from blockage is very important.
When you’re stuffed up, you need to focus on keeping your nasal passages and sinuses moist. Although people sometimes think that dry air might help clear up a relentlessly runny nose, it actually has the opposite effect. Drying out the membranes will irritate them further. Using a humidifier or vaporizer can help. Also you can breathe steam in from a pot on the stove or take a long
Using OTC (over the counter) medicines such as decongestants or antihistamines can aggravate your sleep apnea if they include a muscle relaxant property. A muscle relaxant, can slacken throat tissues more than usual during sleep, making the airway more vulnerable to obstruction. There is little scientific evidence that various nasal sprays and nasal strips that are sold to limit snoring have any significant
effect on obstructive sleep apnea so these may help.