Why are horses' legs not tired when they sleep standing up? - Extra Education

Why are horses' legs not tired when they sleep standing up?

The unique bone and ligament system of the horse's legs can support its weight without the slightest muscle strain. Therefore, no energy has to be expended by the horse during sleep.

It can be said that their knee is equipped with a special mechanism that secures the joints in a stationary postion.

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Last Updated : Nov 23, 2021