He might be more aggressive at the moment because he's going into shed. Mine normally get nippy around that time. You can tell he's going into shed if he gets a sort of gray overtone to him. It'll fade, and a couple of days later he should shed and after that should go right back to being friendly again.
As for turning the lights on and off, I don't turn them off at all during the colder months. It doesn't affect their feeding response or shedding at all in my experience. Prioritize correct temperature over light/dark cycles.
To keep the heat up, you might want to try using a higher wattage bulb. It wouldn't hurt to get a thermostat to control the temps, although I know many keepers who do fine without them. You can get a decent one for about 20 bucks. It would prevent dangerous temp spikes/drops. You can also tape a piece of silver foil over the lid of the tank (assuming you have a screen-top) and that helps a lot to keep in heat and humidity. I use a small piece of a heat proof emergency blanket I got out of an earthquake kit I had from grade school. It looks like and feels like strong silver foil for the most part and you can probably get one for around 2 bucks.
As for the humidifying spray - there really is no need for aloe vera and all that extra stuff. Once it runs out, just fill it up again with regular old tap water and you can just as easily keep the humidity up that way. Or, if you have a screen-topped tank, you can wet a towel and put that over half - 3/4ths of the lid and it would do the job pretty well.
Good luck with your new pet - I hope you have loads of fun keeping him![]()