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We only know a couple of people who need to sleep in pure and utter silence. For the rest of us, the white noise from a fan can go a long way to helping us get a good night’s sleep. In an ideal world, fans provide enough noise to mask any sounds that could wake us up, and enough airflow so we don’t sweat to death while wrapped up under covers. But finding the perfect fan can be a challenge. Box fans are a little too loud, and can make you feel like you’re trying to fall asleep in the cargo hold of a jet plane. And some of the more modern tower fans are actually too quiet, and don’t provide that white noise so many of us crave at night. So when we saw that CostcoHotFinds discovered that the perfect nighttime fan was back at Costco, we got seriously excited — especially when we saw the price.