We have a leo about six months. He's in a ten gallon tank with heat lamp by day and moonlight lamp at night. He has always just sat under his log at the warm end of the tank. Last couple of weeks he's been sitting out at the cool end, yet temps remain unchanged. Sometimes (like when we change his sand) he acts like he wants out. He's scrambling at the side of the tank and it's distressing to watch. Temps. are unchanged (late 80's early 90's...a little lower at night). Any ideas? Why would he act like he wants out?

