hotflashes1 Sudden Warmth at Night: Common Causes and How to Cool Down Sudden nighttime warmth can feel confusing, especially when hormones, stress, or daily habits are involved. This guide gently explains why your body heats up in the dark and shares simple ways to stay cool and comfortable through the night.🌙 When Your Body Suddenly Feels Too Hot in the Middle of the NightYou're sleeping peacefullywhen a wave of heat rises suddenly—across your face, chest, or en.. 2026. 1. 1. Previous 1 Next