Please can any one confirm with me if this advice is right that has been given to me by the reptile centre, I have a 2 year old horse field he is in a tortoise table with 50:50 sand, topsoil. He is a fussy eater and will generally leave everything else other then watercress, he has a UVB aracadia light which is on for 12 hrs and a heat lamp which is exoterra 50 w. I have been told to over winter him so he does not hiber