That took me completely by surprise. Billy's shields are up, and he is playing the game or rather games. His and Joe's games and his own agenda. The most practical side benefit I've ever come across is that jet lag doesn't really get to me. It was also damn useful at university being able to function without sleep.
Insomnia is also a perfect excuse to indulge in a mini- due South marathon.
I do get a big kick out of seeing some of the places, which made up part of my life there, on screen. But best of all lack of sleep is the best excuse not to feel guilty about skipping my lunch time workout. Back to the begining .