. Do You Sleep With a F...? Here’s What Could Happen While You Sleep

Experts also point to premature aging as a potential long-term effect. Environmental pollutants generate free radicals that can damage collagen and elastin, two proteins responsible for maintaining the skin's firmness and elasticity. Over time, repeated exposure may contribute to the development of fine lines, wrinkles, and uneven skin tone.

Additionally, dirty pillowcases can compound the problem. When oil, sweat, and residue transfer from the face to bedding, bacteria may accumulate and repeatedly come into contact with the skin night after night. Regularly washing pillowcases and maintaining a clean sleep environment can help support healthier skin.

Fortunately, preventing these issues is relatively simple. A gentle cleanser suited to your skin type can effectively remove impurities and prepare the skin for overnight recovery. Following cleansing with a moisturizer can help restore hydration and strengthen the skin barrier. Those who wear heavy makeup may benefit from a double-cleansing routine that removes cosmetics before washing the skin.