Health claim
“Keeping the bedroom cool (around 65°F/18°C) improves sleep quality.”
Claim checked — strong evidenceLow riskother
Evidence Summary
Multiple well-designed studies consistently support this claim.
Research shows a cooler ambient temperature facilitates the drop in core body temperature needed for sleep onset and maintenance.
Extracted from
5 Ways to Optimize Sleep | Primal Joe21 Studios
The video offers five tips for improving sleep quality, framed within a broader self‑improvement narrative.
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