urbandictionary
urbandictionary-
Sleep tattoo refers to the markings on the body from sleeping for an extended period of time , caused by blankets , clothing , or any other thing one would sleep on . Commonly found on the chest , face , and arms . ( Source : urbandictionary . com ) For example :
Sleeptattoo（睡眠纹身）指睡了很长一段时间醒来后，睡觉时盖的毯子、穿的衣服或者碰巧在床上的任何物品在身上留下的印记，多见于胸口、脸部以及胳膊。