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 (], from Wikimedia Commons

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