Sleeping position and wrinkles

Resting your face on your pillow every night when you sleep may cause wrinkles called sleep lines. People who sleep on their backs are less likely to develop these wrinkles because their facial skin does not lie crumpled against their pillows.

Source:

http://www.skincarephysicians.com/agingskinnet/basicfacts.html

*Women often resort to using a wrinkle cream for their aging skin.