Anesthesia
Anaesthesia
noun, の adjective
A hemp drunkness is when you take some "hemp" and put it into your body so you don't really feel anything anymore. This is anesthesia.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
麻酔でまだ寝ぼけています。
I’m still half asleep from the anesthesia.