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

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。

The depressant GHB contributed to 23 deaths in 2000. 镇静剂GHB在2000年造成23人死亡。