It’s 4:40am, I am a little hungover, went to bed less than four hours ago and I’m not ready for the day to start yet. But I really need a wee. Do I go, knowing any slight movement will wake the household, meaning the day might start even more premature than normal? Or do I attempt to go back to sleep, even if successful will be a terrible light sleep dreaming of flowing rivers, streams and anything else that involves flowing water. I decide to go for it, I tiptoe across the landing (Sleeping in Charlie’s room as he came in to Mummy before I went to bed), I lift…