So, what exactly does a humidifier do? There's more than one type of humidifier, but at the most basic level, the device emits water vapor into a space to increase the level of humidity. When used correctly, humidifiers can help to alleviate dry skin, chapped lips, nose bleeds and other pesky cold-weather conditions.

Is it good to sleep with a humidifier?

Air-conditioned air can dry out your sinuses, nasal passages, and throat when you sleep, leading to inflammation and swelling in these sensitive tissues. Using a humidifier while you sleep in the summer helps alleviate these symptoms of dry air, as well as seasonal allergies.

What do humidifiers actually do?

What is a humidifier? Humidifier therapy adds moisture to the air to prevent dryness that can cause irritation in many parts of the body. Humidifiers can be particularly effective for treating dryness of the skin, nose, throat, and lips. They can also ease some of the symptoms caused by the flu or common cold.