Sleep apnea is sometimes seen as niche and unimportant, but the fact is that around 18 million people in the U.S. alone suffer from this condition. While many of these people use a CPAP or oral appliance to mitigate their symptoms, far more of them do what they can to get good sleep via home remedies and other methods.

One trick patients often mention is sleeping with their head elevated, like in a recliner. But does this actually work? Here’s what the science says.

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