Recently after feeding Theron, he will be mostly active on the night time for about an hour or two is this because he is outgrowing his current meal?
the meal i am currently feeding is f/t medium mouse which is around 18g, and he weighs around 160g which means he should be eating 24grams but this his weight without him pooping after 2 meals so i am not so sure on his actual weight... his last recorded weight after poop was 135g.

Do you think i should bump him up to large mice? which are 23-29g here in the United Kingdom?

Here is a video of him eating to give you a better idea of the size etc...
http://www.youtube.com/watch?v=M5tMULDNZt4

Thanks a lot