As the sun goes down, the make-up goes on and Britain prepares for a night on the town. Alternatively, perhaps your idea of a good Saturday night is to put your feet up in front of the telly. From the debris of a night in A&E to a Sunday-morning wrestling club, Sara Parker traces the sometimes unsteady path in pursuit of pleasure that is the British Saturday night and the bright, new Sunday morning that unerringly follows. producer simonEimes