The dry air propelled around the room also causes another issue – it causes congestion.
“Since fans dry out your nose, mouth, and throat, your body might overcompensate as a result, producing excess mucus to lubricate your body. However, the overproduction of mucus only blocks your nasal passage and leads to sinusitis, causing you to experience symptoms such as sinus headaches, a stuffy nose, and snoring,” says Lapp.
However, it is possible to minimise this by drinking more water, recommends Lapp, and running a humidifier at the same time to reduce congestion risk.
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