2. Increased Risk of Throat Irritation and Inflammation
When cool air blows directly on your face or neck throughout the night, it can lower the local temperature around your throat. The body responds by tightening blood vessels in the area, which reduces circulation and weakens your natural defenses.
Over time, this can make you more vulnerable to sore throats, hoarseness, or even mild infections. For people with allergies, asthma, or sinus issues, the irritation can be worse, as the air movement may stir up dust, pollen, or mold particles present in the room.
3. Fans Can Spread Dust and Germs
Another hidden issue is hygiene. Fan blades often collect dust and microscopic allergens. When the fan spins, it can blow those particles directly into your breathing zone. Inhaling this contaminated air for hours can irritate the throat and lungs, especially for people with sensitive airways or respiratory conditions.
If your fan hasn’t been cleaned regularly, it may also circulate bacteria or mold spores—both of which can cause coughing, congestion, or throat discomfort the next morning.
