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Little Sierra may only be one year old, but she’s already mastered the art of persuasion.

When her mom came in the room to make sure Sierra was asleep for her nap, she found the toddler wide awake and babbling away to herself.

“Are you supposed to be sleeping?” her mom asks.

“Yeah!” Sierra replies enthusiastically, jumping up to her feet.

“Alright, let’s see it,” mom responds.

And then Sierra finally gets is, placing a finger on her chin saying, “Oooh…” realizing she was supposed to be asleep this whole time.

Watch the adorable argument above.