At a Glance
- Fans can circulate dust and allergens.
- Experts say they also irritate throat and nasal passages.
There’s just something about a cool breeze blowing at night that makes slumber more peaceful – especially during summer heat waves.
But sleep experts say snoozing with a fan can cause an increase in allergies and other uncomfortable symptoms.

Berezovska [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)], from Wikimedia Commons
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