Sleeping with a fan on isn't inherently bad, but for people with certain respiratory issues, or dry skin or dry eyes, it can be a double-edged sword. While it's a good way to stay cool during warm weather, the room you're sleeping in, and your personal health history, are key considerations.
"For those with pre-existing respiratory conditions or allergies, a fan can circulate dust and pollen, aggravate symptoms and actually disrupt sleep quality," explains Dr Praveen Bhatia, a consultant physician in respiratory medicine.
