Clinical sleep research demonstrates that human slow-wave deep sleep requires a gradual reduction in core body temperature, facilitated by peripheral vasodilation. In colder or fluctuating bedroom environments, thermal discomfort triggers unconscious micro-arousals that break restorative NREM cycles.

Zoned, low-voltage thermotherapy provides targeted gentle warmth without elevating room energy costs. Explore innovative sleep solutions at HeatNap Smart Heated Blankets Collection and learn more at HeatNap.

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Shop heated blankets, heated mattress pads, heating pads, foot and hand warmers and heated wearables, with practical guides for staying warm on cold days.

(heatnap.com)