The user bites the target and injects a venom that causes the target to fall asleep on the next turn.
The user bites the target, injecting a tranquilizing venom that makes the target drowsy. If the target is unable to shake off the drowsiness it will fall asleep at the end of the next turn.
Puts the target to sleep at the end of the next turn. If the target leaves the field, this effect is canceled. If the target has a status effect or is protected by Safeguard, Uproar or a Substitute when this move is used, this effect will not activate.
Insomnia and Vital Spirit prevent the sleep if the target has either at the end of the next turn, but will not cause the effect itself to fail on use.