Sleep Attack

Sleep Attack is an ability exclusive to Final Fantasy X, and is found on Wakka's Sphere Grid. It costs 5 MP to use, and deals non-elemental damage with a 50% chance of inflicting Sleep to an enemy for 3 turns. The stronger Sleep Buster also deals non-elemental damage, but has a 100% chance of inflicting Sleep for 3 turns. It can be found on Wakka's Sphere Grid and costs 10 MP to use.