Cat sleeping in an upright posture Thin alarming cat movie

Speaking of a cat's sleeping style is generally a style that does not show its belly by rolling its body, but whether a caution is thin or polite or a cat sleeping in a standing posture in an upright position is photographed .

Details are as below.
A cat sleeping like a human sleeping up.
YouTube - Sleeping Cats


A figure with both paws and hind legs stretched out with a pin. There is a refreshing atmosphere.


Cats who are sleeping next to each other are quite amazing sleeping.


The legs are also open with burns.


When there is something, it seems to be difficult to respond quickly, but is it safe to have another cat next to it?