User can put targets to sleep

Pros:
-user can do this with various methods
-if the user sings, only the target will hearing it
-if the user uses gas, only targets will be effected
-if user manipulates hormones, only targets will be controlled
-if user forces sleep, only targets can be effected
-sleep will be gradual
-sleep can only be broken by user

Cons:
-user may effect those not targeted accidentally
-user can effect themselves
-user will have insomnia
-user must plan out who and what method
-user will sleep with overuse for a long time
-target will remain asleep after a month

Weakness: sleeping medicine
The quirk will be nullified until the pill wears off