Dolly and Melllvar in the bath

We have been trying to get Melllvar a bit more active, he likes to sleep a lot! He's been out in the garden a few times recently when it's been sunny, although he usually tries to dig a hole and go to sleep! Lewis gave him a warm bath in the sink this evening, he does it about once a week when he's active, he quite likes it! We are seriously considering hibernating him this year, but it is a worry!