The lamp hangs off of the tank but the part on the tank only has 2-3 inches obstructed and 9 inches unobstructed. The log is 7-8 inches away from the reptisun and the hammock is 6 inches away but not directly under it. She basked under it for like 15 minutes and then went to her water bowl on the cool side and laid down with her tail in it. Why is that?