For humans, the thought of being able to sleep whilst standing up can be pretty baffling. Horses, along with bison, zebras, ...

"This is how you sleep after years of trauma, when you know you're safe," said one comment, earning more than 54,000 likes.

It's not as easy as horses laying down, either. That can cause muscle damage, restricted blood flow, and blood pooling in the lungs, per The New York Times, and repairing a horse's broken bone can ...

Authorities found one of the six horses laying down, malnourished, immobile and "visibly in pain and discomfort," court documents say. A licensed veterinarian was called to the scene, ...

And while standing horses can achieve "slow-wave," or deep, dreamless sleep, but an adequately rested horse requires at least 25 minutes of REM sleep per day, which can only happen while lying ...

A charley horse feels like the affected muscle has tightened up and locked down. It’s painful and can happen suddenly – even when you’re just lying there, sleeping. When to Worry About Leg ...

Authorities found one of the six horses laying down, malnourished, immobile and "visibly in pain and discomfort," court documents say. A licensed veterinarian was called to the scene, ...

And while standing horses can achieve "slow-wave," or deep, dreamless sleep, but an adequately rested horse requires at least 25 minutes of REM sleep per day, which can only happen while lying ...

Authorities found one of the six horses laying down, malnourished, immobile and "visibly in pain and discomfort," court documents say. A licensed veterinarian was called to the scene, ...