Jigglypuff putting Charizard and Pikachu to sleep in for Wii U

Sleep is an attack effect that has appeared in every game in the Super Smash Bros. series. Fighters hit by a sleep attack fall asleep for an amount of time based on the victim's total damage and the knockback value of the move used. If a fighter that is already asleep is hit by a sleep attack, its current sleep condition will not be increased in duration or reset. In Super Smash Bros., every fighter's sleeping animation was identical to their stun animation, albeit with music notes appearing over their heads. From Super Smash Bros. Melee onwards, every fighter would get a unique sleeping animation.

Since enemies are immune to all status conditions, sleep attacks instead trip Smash Run enemies. In Super Smash Bros. Ultimate, the Support Spirit skill Slumber Immunity prevents the equipped fighter from being put to sleep.

List of sleep attacks

By characters

Character	Move(s)	Games
Daisy	Daisy Blossom
Hero	Snooze (through normal selection or Hocus Pocus)
	Command Selection: (Hocus Pocus: may occur; only affects the user)
Jigglypuff	Sing
Luigi	Negative Zone
Peach	Peach Blossom
	Sleepy Toad
Sephiroth	Supernova (One of the possible effects of the move)

By items

Item	Attack	Games
Assist Trophies	Riki: Bedtime
Poké Ball Pokémon	Bellossom: Sweet Scent
	Darkrai: Dark Void
	Ditto: Transform (if the summoner has sleeping attacks)
	Togepi: Metronome (freeze attack)

By enemies and bosses

Enemy/Boss	Attack(s)	Games
Master Hand	Sleeper Grab
Master Hand and Crazy Hand	Applause (combo move)
Petilil	Sleep Powder

By stage hazards

The Spirit Battle condition "The floor is sleep-inducing" creates a hazard that causes players that touch it to fall asleep.

List of attack effects
Introduced in Super Smash Bros.	Normal • Coin • Electric • Flame • Slash • Sleep
Introduced in Super Smash Bros. Melee	Bury • Darkness • Flower • Freezing • Grab • Inert • Reverse • Screw • Stun
Introduced in Super Smash Bros. Brawl	Aura • Down • Grass • Paralyze • Plunge • Slip • Stop • Water
Introduced in Super Smash Bros. 4	Blaster • Focus • Magic • Obliviate • Solar • Stab
Introduced in Super Smash Bros. Ultimate	Autoreticle • Autoshift • Chain • Curse • Dedede • Grapple • Ink • Mushroom • Poison • Rapid • Fist-Down • Scintilla

• Effects