Wearing socks while sleeping may do more than just keep your feet warm. Research suggests it can improve blood circulation, help you fall asleep faster, extend total sleep duration, and even contribute to overall longevity.
In Japan, many people wear socks almost year-round—including during sleep. Interestingly, Japan also boasts the highest average life expectancy in the world. For 20 consecutive years, the country’s life expectancy has remained around 84.6 years. Scientists believe that the habit of keeping the feet warm, including wearing socks to bed, may be one of the factors associated with better health and longer life.
When the feet are warm, blood vessels dilate, promoting better circulation and stabilizing the body’s internal temperature. This gentle thermal balance signals the brain that it’s time to rest, making it easier to drift off and stay asleep.
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