For a Deeper Sleep: Science Recommends Exposing Your Feet

image of exposing your feet for a deeper sleep

For deep, restful sleep, science recommends uncovering the feet.

Recent scientific research has revealed that exposing a small part of the body to cool air, such as the feet, helps accelerate reaching the deep sleep stages that humans need. 

A study published in the American journal "Aerospace and Environmental Medicine" reported that cooling the feet is an effective way to lower the overall body temperature, making it easier to feel comfortable, even with a heavy blanket covering the rest of the body, according to the website blisstulle.

In this regard, American psychology professor Natalie Dautovich stated: "Our feet are located at the extreme ends of the body and have special connections called arteriovenous junctions that connect arteries and veins. 

When it's hot, these junctions dilate, allowing more blood to flow to the skin. This cools the body. Sleep and temperature are closely linked. Just before falling asleep, the body temperature naturally drops." This cooling process reaches its lowest point during deep sleep.

That's why sleep experts recommend taking a warm bath before bed. Upon emerging from the bath, the body temperature drops, mimicking the natural cooling that occurs before sleep, making you feel sleepy, according to amerisleep.com. For some, simply letting one foot out from under the covers provides a calming sense of control over their sleep environment.

Reducing Sweating

For those who suffer from night sweats, leaving one foot uncovered can help prevent overheating and the unpleasant feeling of dampness.

Since the feet contain many blood vessels close to the skin's surface, they effectively dissipate excess heat. Additionally, some people suffer from a bothersome condition called restless legs syndrome (RLS), which is an uncomfortable feeling in the legs, especially at night. If you suffer from RLS, letting one foot out may alleviate your leg pain.

Furthermore, some people are highly sensitive to touch, weight, or temperature while sleeping. Therefore, the sensation of air against their skin creates a sensory balance. 

Comfortable, the sensation of having one foot exposed provides enough variety to alleviate sensory fatigue and promote calmness, according to wicproject. Experts agree that maintaining relatively low temperatures helps the body achieve deeper sleep.