Sleep tattoo （睡眠紋身），你知道嗎？

　　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.

　　Sleep tattoo(睡眠紋身)指睡了很長一段時間醒來后，睡覺時蓋的毯子、穿的衣服或者碰巧在床上的任何物品在身上留下的印記，多見于胸口、臉部以及胳膊。

　　For example:

　　例句：

　　Person 1: I just had the best nap of my life!

　　剛睡午覺起來，睡得可舒服了!

　　Person 2: What’s that all over your chest?

　　你胸口那兒怎么了?

　　Person 1: Oh those are just some sleep tattoos from my blanket.

　　哦，那是毯子留下的睡眠紋身。