![Illustration of a man dozing while sitting down Illustration of a man dozing while sitting down](https://kuku-keke.com/wp-content/uploads/2023/03/14881_3.png)
Sleep
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Illustration of a woman dozing while sitting
![Illustration of a woman dozing off in class Illustration of a woman dozing off in class](https://kuku-keke.com/wp-content/uploads/2020/06/14878_3.png)
Illustration of a woman dozing off in class
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Illustration of a man dozing off in class
![Illustration of a man who thinks Illustration of a man who thinks](https://kuku-keke.com/wp-content/uploads/2020/06/14873_3.png)
Illustration of a man who thinks
![Illustration of a member of the Diet (woman) dozing off Illustration of a member of the Diet (woman) dozing off](https://kuku-keke.com/wp-content/uploads/2020/03/14447_3.png)
Illustration of a member of the Diet (woman) dozing off
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Illustration of a member of the Diet (man) dozing off
![Illustration of children taking a nap Illustration of children taking a nap](https://kuku-keke.com/wp-content/uploads/2022/11/13763_3.png)
Illustration of children taking a nap
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Illustration of a child (girl) taking a nap
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Illustration of a child (boy) taking a nap
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Illustration of children (girls) enjoying a training camp
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Illustration of children (boys) enjoying a training camp
![Illustration of a woman sleeping at work Illustration of a woman sleeping at work](https://kuku-keke.com/wp-content/uploads/2021/01/12970_3.png)
Illustration of a woman sleeping at work
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Illustration of a man sleeping at work
![Illustration of male high school and junior high school boys sleeping in or studying Illustration of male high school and junior high school boys sleeping in or studying](https://kuku-keke.com/wp-content/uploads/2022/06/12969_3.png)
Illustration of male high school and junior high school boys sleeping in class or studying
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Illustration of a female high school student or junior high school girl sleeping in class or studying
![Illustration of a sleepy person (male) Illustration of a sleepy person (male)](https://kuku-keke.com/wp-content/uploads/2021/06/12481_3.png)
Illustration of a sleepy person (male)
![Illustration of a sleepy person (woman) Illustration of a sleepy person (woman)](https://kuku-keke.com/wp-content/uploads/2022/06/12480_3.png)
Illustration of a sleepy person (woman)
![Illustration of a woman who is snarled during sleep Illustration of a woman who is snarled during sleep](https://kuku-keke.com/wp-content/uploads/2022/07/12249.png)
Illustration of a woman who is snarled during sleep
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Illustration of a man who is snarled during sleep
![Illustration of a baby sleeping in a blanket Illustration of a baby sleeping in a blanket](https://kuku-keke.com/wp-content/uploads/2020/01/12120_3.png)
Illustration of a baby sleeping in a blanket
![Illustration of a baby sleeping wrapped in a walnut Illustration of a baby sleeping wrapped in a walnut](https://kuku-keke.com/wp-content/uploads/2020/01/12118_3.png)
Illustration of a baby sleeping wrapped in a walnut
![Illustration of a person (male) who is tired and sleeping while studying for the entrance exam Illustration of a person (male) who is tired and sleeping while studying for the entrance exam](https://kuku-keke.com/wp-content/uploads/2022/06/12087_3.png)
Illustration of a person (male) who is tired and sleeping while studying for the entrance exam
![Illustration of a person (female) who is tired and sleeping while studying for the entrance exam Illustration of a person (female) who is tired and sleeping while studying for the entrance exam](https://kuku-keke.com/wp-content/uploads/2022/06/12086_3.png)