Ummmm,,,Husbandry is the name given to the way a person cares and provides for their chameleon!!!!
To me it sounds like your cham is becoming dehydrated!!!
However,,,,to know and help you more,,,,,fill out the form in the link in Ulrichs post,,,fill it out so the knowledgeable people here can better envision the way you are providing for your pet,,,aka Husbandry!!!!