"Beauty sleep?" Dream on! Sleeping doesn't relieve wrinkles on the face, say dermatologists, it causes them. Now, however, a Las Vegas plastic surgeon says she has found the solution: a new type of pillow.According to the American Academy of Dermatology, resting your face on the pillow the same way every night for years on end leads to wrinkles. Called sleep lines or sleep wrinkles, they eventually become etched onto the surface of the skin, says the Academy, and no longer disappear when the head is not resting on the pillow. "