A while back, we brought you the story that people have been advised to put bowls of salt in their windows for ( somewhat dubious ) reasons. Well, it turns out there is yet another winter trend for you to try out: airing your blanket out in the freezing cold. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

According to those who do it, the practice either kills bacteria (which sounds plausible, even if it isn't entirely correct), kills " bad energy " (which doesn't), or promotes better sleep.

"I swear by the sleep hack of hanging out your duvets to air," Cecilia Blomdahl, a TikTok influencer from Svalbard, a Norwegian archipelago between mainland Norway and the North Pole, explained in a TikTok video .

"I got it from my mama. H

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