an illegal drug that can make people extremely tired and change their mood

中文解释

液体快乐丸，神仙水（一种毒品，可以让人极度疲劳并改变情绪） GHB can induce a sleep so deep that some users died after suffering respiratory arrest. GHB可以诱发极深度睡眠，甚至会导致一些使用者因呼吸停止而死亡。