In the last years BCE, Emperor Ai was enjoying a daytime nap. He was in his palace, in Chang’an (now Xi’an, China), hundreds of miles inland, wearing a traditional long-sleeved robe. Laying on one of his sleeves was a young man in his 20s, Dong Xian, also asleep. So tender was the emperor’s love for this man that, when he had to get up, instead of waking his lover, he cut off the sleeve…
Source: In Han Dynasty China, Bisexuality Was the Norm | JSTOR Daily