A 2023 study published in Sleep Medicine found that people who wore socks to bed fell into deep sleep up to 20 percent faster than those who slept barefoot. Entering deep sleep sooner may improve overall sleep quality and help the body recover more effectively overnight.
Warm feet also promote better circulation. Improved blood flow can reduce nighttime leg cramps and muscle discomfort, which are common reasons people wake during the night. For individuals who experience mild circulatory issues, this simple habit may offer noticeable relief.