Sleep Science

Quick Answer: Women sleep hotter than men primarily because of hormonal fluctuations. Estrogen and progesterone levels shift across the monthly cycle, raising core body temperature during the luteal phase. During perimenopause and menopause, falling estrogen destabilizes the hypothalamus—the brain’s thermostat—triggering hot flashes and night sweats. The most effective environmental fix is replacing heat-trapping synthetic bedding…

Waking up hot at 3am is not random. There is a specific biological reason it happens at that exact hour — and once you understand it, the fixes become obvious.