Selena Gomez and Molly Sims both swear by this sleep trick that ‘goes a long way’ — does it really work?

By Carly Stern, Dec 3, 2024

Dr. Alex Dimitriu, a psychiatrist and sleep doctor based in California, previously told The Post that a cold room — between 60 and 67 degrees — is best for getting to and staying asleep. 

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