I'm having the same issue, except mine aren't up high. I have them down below ground near a cave, and often I'll go down and see them gone. Then when they wake up, they're back in the room. I recently moved one of them out and into a house, and when I stood next to them they were, well... Mine don't disappear permanently though. However, same issue.
I'm having the same issue, except mine aren't up high. I have them down below ground near a cave, and often I'll go down and see them gone. Then when they wake up, they're back in the room. I recently moved one of them out and into a house, and when I stood next to them they were, well...
Mine don't disappear permanently though. However, same issue.