The name Andreas is a German baby name. In German the meaning of the name Andreas is: American Meaning: The name Andreas is an American baby name.In American the meaning of the name Andreas is: Swedish Meaning: The name Andreas is a Swedish baby name.In Swedish the meaning of the name Andreas is: Strong.he name Andreas is a Greek baby name. In Greek the meaning of the name Andreas is: Manly; brave.Andrew. Welsh Meaning: The name Andreas is a Welsh baby name. In Welsh the meaning of the name Andreas is: manly'.
Yes, leopard geckos can go into hibernation mode, and eating less can be normal if you aren't seeing any other signs of sickness. It sounds like you're taking good care of him, though. :o) Here's a website with interesting information, and there's a small section on hibernation.
If you have just gotten your gecko it could be nervous or stressed out by its new environment and reluctant to come out if it has found a hiding spot that makes it feel safe. The behavior could also be completely normal. Leopard geckos that are happy and well fed tend to be lazy and sleep most of the time.