Why You Might Have a Stuffy Nose at Night
Lying down can increase blood flow to your head, which causes swelling in the nasal blood vessels. Structural problems in thenostrils or nasal cavitycan also increase a person’s vulnerability to nighttime congestion. When this happens, the body will release inflammatory chemicals that cause blood vessels to widen. Verwell / Brianna Gilmartin A stuffy nose can occur at night due to dust mites that thrive in pillows and mattresses. Airborne allergens like pollen also tend to settle in cooler nighttime temperatures....