Why Do Horses Lay Down? – StreamZ (USA)

EQU StreamZ blog looking into why horses sleep and the importance deep-sleep plays to their overall health. We discuss the value to owners in being aware of their horses sleeping patterns to help detect early signs of something more serious. We talk about how horses sleep standing up and why they lie down.
Horses like to lay down when they go into deep sleep, when they are resting after exercise or when the are sick or injured. We look at the reasons why they may be lying down and what you can do about it. 

Why Do Horses Lay Down? – StreamZ (USA)

Why Does a Horse Lie Down? – The Horse

Track systems - The Laminitis Site

132 Horse Lie Down Stock Video Footage - 4K and HD Video Clips

3 Reasons Why Does A Horse Lie Down? - National Equine

Horses Sleep Lying Down – Terry Golson

Streams and Watersheds - Acadia National Park (U.S. National Park Service)

Wild horses have clear impact on environment, but does the good outweigh the bad?

Why do horses never lie down or sit on the ground to sleep? - Quora