I Tried the "Freeze" Method to Stay Cool at Night Without AC - Here's How It Went
Briefly

The author, struggling with heat-induced insomnia in Los Angeles, found a creative solution to keep cool at night by freezing bed sheets. This method involves placing sheets in the freezer for at least two hours before bedtime. The hack requires folding the sheets into a freezer bag to fit and encourages cold air retention with ice packs. Initially suggested by the author's grandmother as a joke, this sleep hack has proven effective for staying cool without dampening the bed or requiring excessive laundry clean-up.
To combat the heat, I used to bring frozen water bottles and gel ice packs into bed to keep me cool through the night. While they did work, I'd wake up each morning with wet water rings and condensation marks on my sheets that would seep into my mattress - meaning more hassle, more laundry, and less sleep.
The idea is very simple: Pop your sheets into the freezer, at least two hours before bedtime, then pull them out right before you hit the sack.
Read at Apartment Therapy
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