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Sleepy Sheep is an item found in the Paper Mario series. When used, many sheep run across the screen, causing most enemies to fall into a deep slumber, in which they cannot perform any moves until they awaken. Some enemies have a higher resistance to sleep than others - so it is never guaranteed that this item will affect all enemies in a battle. Bosses have a very high resistance to sleep and many other status conditions.
In Paper Mario: The Thousand-Year Door, if Zess T. mixes a Point Swap and a Tasty Tonic, a Sleepy Sheep is produced. Mousimilian's trouble reveals that one can buy Sleepy Sheeps at Rogueport and sell them at Petalburg to earn two coins per Sleepy Sheep.
In Paper Mario: Sticker Star, there is a hammer sticker called the Baahammer. It's a purple hammer with a Sleepy Sheep symbol on the top. Any undefeated enemies after using the sticker in battle will end up falling asleep, making them lose a turn.
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