This command can be used to make an NPC conscious (0) or unconscious (1).
setunconscious [0 / 1]
|0 / 1||Specify '1' (without quotes) to make your target unconscious. Specify '0' (without quotes) to make your target conscious.|
The above command would make your target unconscious.
This console command would make your character unconscious.
The above command would make your target conscious.