Many people go to bed wearing socks, especially in colder weather. It may feel like a small habit, but it can actually affect how well you sleep.

Wearing socks helps regulate body temperature. As noted, “keeping your feet warm at night helps your body regulate core temperature faster,” which can make it easier to fall asleep. When your body cools down efficiently, it signals that it’s time to rest.

There’s also evidence that it can improve sleep quality. One study found that people who wore socks “fell into deep sleep up to 20% faster than those who went barefoot.” This suggests that something as simple as warm feet can make a noticeable difference in how quickly you drift off.

Better circulation is another benefit. Warm feet cause blood vessels to expand, which can support blood flow and reduce discomfort. This may help prevent issues like nighttime cramps or restlessness.

For some individuals, especially those with conditions like cold sensitivity, socks can provide extra comfort. The article notes that for certain people, this habit can be “a simple, drug-free way to get better rest.”

Overall, sleeping with socks is a small change that may improve comfort, circulation, and sleep quality.