Over time, sleep can change the shape and appearance of your skin. This is because your face is compressed into your pillow every night for multiple hours. Ultimately, this can flatten the surface of your skin and cause wrinkles to form. Therefore, it is important to change your pillows every 1-2 years to help enhance the support for your skin. Also try sleeping with a silk pillow as this prevents trans-epidermal water loss and your skin and hair will look and feel amazing.