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Maintaining a cool room temperature promotes better sleep from "summary" of Why We Sleep by Matthew Walker
Keeping your bedroom cool at night can significantly enhance the quality of your sleep. As your body prepares for sleep, your internal thermostat lowers your core temperature. This drop in temperature is a signal to your brain that it is time to rest. However, if your sleeping environment is too warm, this natural process can be disrupted. A room that is too hot can interfere with your body's ability to cool down, making it harder to fall asleep and stay asleep throughout the night. This can lead to more frequent awakenings and lighter, less restorative sleep. On the other hand, a cooler room can help facilitate this natural temperature decrease, allowing you to fall asleep faster and enjoy deeper, more restful sleep. In addition to helping you fall asleep faster and stay asleep longer, a cool room temperature can also improve the quality of your REM sleep. REM sleep is a crucial stage of the sleep cycle associated with dreaming, memory consolidation, and emotional processing. Research has shown that cooler temperatures support the brain's ability to enter and maintain REM sleep, leading to more vivid dreams and better cognitive function upon waking.- You are creating an environment that is more conducive to the natural processes of sleep. This can lead to improved sleep quality, better cognitive function, and overall well-being. So, the next time you're struggling to get a good night's sleep, consider adjusting the thermostat and see how a cooler room temperature can make a difference in your sleep quality.
