Do Horses Sleep Standing Up?

i would take a nap on a two show day because, you know, it's like a three hour shows ran. I was liked, when we firststart, i took a nap, and i'd wake up, like a half hour before the show started. And so idalike, scream out to get my voice upway high. Ai was a lot of anxiety. Will you taught me about lunch time naps for on camera stuff? You got berry sonifel taught you to a, to nap a sitting up, so that you don't get puffy eyes. So shan sleeps with his eyes open, and i sleep standinga do horses sleep standing up? Or