Heat affects sleep because the body signals the brain that it’s time to fall asleep by lowering its core temperature. Sleeping in a hot room makes this difficult. Sleep and climate experts have found that hot nights disrupt sleep and can lead to harmful health consequences Older adults sleep best when their bedroom temperatures are between 21 and 23 degrees and poorly when temperatures are in the mid-to-high 20s, although there can be significant variations among individuals
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Saturday, June 28, 2025