From the linked wiki article describing sleep in non-humans: http://en.wikipedia.org/wiki/Sleep_%28non-human%29#Sleep%20d... Comparative average sleep periods for various mammals (in captivity) over 24 hours Horses –…
From the linked wiki article describing sleep in non-humans: http://en.wikipedia.org/wiki/Sleep_%28non-human%29#Sleep%20d... Comparative average sleep periods for various mammals (in captivity) over 24 hours Horses –…