Poliwhirl

Staring at the swirl on its belly causes drowsiness. This trait of Poliwhirl’s has been used in place of lullabies to get children to go to sleep.

お腹の　渦は　ずっと　見ていると 眠くなる｡　子守唄がわりに 子どもを　寝つかせるのにも　使う｡