We all need a little help to wake up in the morning -- for some it's the offensive 'bleep bleep' of an alarm clock, for others a mug of black coffee. It is estimated that 62 per cent of Britons need between 15 minutes and an hour after waking before they feel human. But why is this? Leading sleep experts reveal why you may be finding it so hard to wake up -- and the simple changes that can make your mornings less hellish.
