Positional obstructive sleep apnea is worse when supine; simple strategies like sewing a tennis ball to pajamas can

https://devincugx329.image-perth.org/types-of-sleep-apnea-oral-appliances-which-one-fits-your-needs

Positional obstructive sleep apnea is worse when supine; simple strategies like sewing a tennis ball to pajamas can discourage back sleeping.