So do you think it's a sign of a health issue, or just separation anxiety from his siblings? I have one of the brothers, I've caught him with his eyes closed only twice since I got him yesterday afternoon. Once when we had him in his travel container, walking to th car. I wrote that off to being stressed out. I put a light blanket over him during the drive to hope to calm him down. The second time was may e an hour after putting him in his new enclosure. I peeked in there and saw it, but then he immediately opened his eyes and looked at me like he knew I was there. I am also really worried about my guy, but he has been eating well and is exploring the enclosure more today. I have not seen him drinking yet though.