Researchers from Griffith University concluded that a nighttime temperature of around 24 degrees in the bedroom can reduce the stress load on the bodies of elderly people during sleep. This is reported by BMC Medicine.
For three months, specialists observed the participants of the study. They tracked heart rate using fitness trackers while simultaneously recording the air temperature in the bedrooms. The data obtained showed that maintaining a comfortable thermal environment puts less strain on the body during sleep.
According to project leader Dr. Fergus O’Connor, excessive heat causes the heart to work harder to cool the body by increasing blood flow to the skin. When the temperature remains moderate, the cardiovascular system functions more calmly, which promotes better recovery.
The authors emphasize that the results are particularly relevant in light of the increasing frequency of hot nights due to climate change. Maintaining an optimal temperature in the bedroom could be a simple way to reduce risks associated with sleep disturbances and increased strain on the heart in the elderly.
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