I think after having a very deep sleep at night, a lot of reasons could have caused having stretches on your face in the morning or when you wake up. Some of those reasons that stroke my mind are: 1. If you sleep and the part of the face made long and direct contact with pillow cloth. It then made marks in form of stretches of the face. If that is the cause; then it will fade away in no distance time. 2. Certain insets are capable of causing great harm to the skin, if the are allowed on the skin for a long period. So, the room should constantly be fumigated with insecticide. Termites, cockroach and other insects are dangerous to the skin. 3. Some people or person might have scratch the face while sleeping due to certain infections on that part of the skin. 4. It might be due to bad dreams and spiritual attacks. It must not be left for granted.