REMsleep1 How Summer Heat Impacts REM Sleep and Dream Quality I always thought I was just a bad sleeper in summer — but it was the heat messing with my REM sleep. Once I cooled my room and adjusted my routine, mornings finally felt clear again. 🌙 Ever notice your dreams feel shorter — or a lot more restless — during summer heatwaves?When the nights stay too warm, it’s not just the tossing and turning that gets you. High temperatures can cut into REM sleep.. 2025. 8. 21. Previous 1 Next