Sleeping With a Fan On? Here’s What Doctors Say It Can Do to Your Body and Health

A fan can make an overheated bedroom feel far more comfortable without the expense of air conditioning. For many people, that moving air is enough to turn a restless night into manageable sleep.

The breeze itself is not generally dangerous, but its direction, strength and surroundings can affect how the body feels by morning. Certain sleepers are also more vulnerable to irritation than others.