[Imogen]

Do you have a heating pad? It needs to be around 30c to 34c.

Place the hamster on the heating pad for a while either supervised (to make sure he stays on there) or in a "isolated box" where the bottom is covered entirely by the heating pad. This helps fetch a hamster up to normal temperature and to bring them back out of Torpor.

If you don't have a heating pad you can try another place that has a ledge and is warm, like a radiator, just make sure you put something between the hamster and the radiator to prevent burning and make sure it isn't too hot through the towel/cloth.

Hope this helps. x

Keep me updated!