Recently, Cowboy has been suffering strange insomnia which causes him to wake in a froth at 4am. Usually I can sleep through his huffing and puffing, but this morning I woke up as he was getting up to go downstairs at 4am, and then again at 5am, when I realised he hadn't migrated back under the covers.This being unusual, I decided to get up and check he was OK. I found him downstairs reading "