We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Katie Okamoto Katie Okamoto is an editor focusing on sustainability. She’s ...

Humidifiers may help people sleep better, especially those with a cold, allergies, or obstructive sleep apnea.

Evaporative humidifiers use a sponge-like wicking filter which sits partially submerged in water. A fan inside the machine pushes air through the filter and back out the top, creating a cool mist that ...