i have 3 bearded dragons and they dont seem to have a brain between them,when i feed them they seem to jump from high up to the ground should i worry about this, or is it normall they are about 8-9 months old and they are jumping from about 3ft on to sand is this normall or should i change my setup. my viv is 6.5ft long by approx 4ft high

mr stroudy