When do you know it's time to take a nap?

[OrionBalls]

Is it too early?

 

[Crocodylus Acutus]

It's time to take a nap when I feel like it bish.

 

[Robert Cummings]

When the teacher says it's nap time obviously.

 

[Grayson Death Carlyle]

When the apple juice hits.

 

[dick brain]

When I have a boner for no reason.