This is because as the fan circulates it dries the air.
Does sleeping with a fan on cause dry eyes.
The experts say most people.
As long as the eyelids close completely no lagophthalmos they are a formidable barrier to evaporation desiccation of the tear film.
Yes sleeping with the fan can lead to dry eyes.
For others it can keep them awake trigger asthma attacks or dry out their eyes.
Unless you have serious allergies you ll most likely be okay.
If you re in a hot or closed off room the thought of sleeping without one can be unbearable.
There are some other annoying side effects to leaving a fan on as well like the fact that the dry air can cause dry skin and even dry.
Now if the eyes do not close.
As we know that if you do not have the necessary balance of these three layers in your eyes or if your eyes do not make enough tears to coat the eye you may have a condition which is known as dry eye.
For some people having a ceiling or floor fan in the room helps them fall asleep and stay cool during the night.
This by itself can cause dryness redness and irritation upon awakening but it is made much worse by the wind created from a ceiling fan over your bed.
Sleeping with a fan on all night you could be at risk of sinus problems exacerbated allergies and dehydration among other health issues.