Scientists from the Marcus Institute for Aging Research and Harvard Medical School found that people over the age of 65 need to sleep in a warmer environment to get a good night’s sleep. results published In the journal Science of the Total Environment (STE).
It was previously thought that most people should sleep between 16°C and 18°C. According to many somnologists, sleeping in a cool room stimulates the production of melatonin, the “youth hormone”, improves the quality of rest and reduces the risk of developing mental disorders. However, according to British scientists, such sleeping conditions are suitable only for young people.
This is because people become less active as they get older, which can lead to less heat being produced while sleeping. In a study of the sleep of 50 older adults over nearly 11,000 nights, scientists found that the optimal temperature for a good night’s sleep ranged from 20°C to 25°C. At the same time, when the temperature rises to 25°C-30°C, a clinically significant decrease in sleep efficiency by 5-10% occurs.
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