Yes, Barbara, my understanding is from his Mum he got very stressed and sick when "confined to barracks" and had to have special diet etc, is more relaxed and healthy given a little more freedom, generally just stays around the house. I couldn't comment or generalise as I don't know the cat and its temperament, some cats are less easily managed and learn crafty ways of becoming escape artists.
My older cat Cleo has never been one to crave the wide open spaces, very much the opposite. But when Colette was a youngster she would climb onto the kitchen windowsill, from there a jump onto the pergola then up onto the roof, and stand on the ridge of the roof looking down at me going "Nah nah na-na nah you can't catch me!" All this while I was sitting in the garden with them both and I thought she was safely lying beside me - here one second gone the next. She would even slip out of her harness when I had her on a long running lead and do it