Welcome to the Chameleon Forums, Joe! :) You have no idea how refreshing it it to see someone doing their research BEFORE purchasing a chameleon. The Forums is an excellent gold mine of cham info! Check out the care resources provided on this site to get you started. What kind of chameleon...
Chameleons require heat to aid the digestive process. Of course they will still digest during the night, but not as properly as they would with the correct heat and UVB lighting available to them during the day.
Emoji scratches at the door too. But when he is really desperate to come out, he will cling to the screen of the door and wait for me to open it, then he will climb out.
My Veiled is very sweet as well. He loves to come out of his cage (literally begs!) and hang out on his free-range. He doesn't like to be locked up, I suppose, which is understandable. He has only hissed a couple of times and has never once bitten anyone.
Your little guy is such a...