'Now I lay me down to sleep, I pray the Lord my soul to keep. If I should die before I wake, I pray the Lord my soul to take.' New England Primer, 1737. According to the pollsters, a belief in Heaven is actually on the increase. Although the thought of Heaven may be popular, probably less thought is given as to how to get there than your annual holiday. It is only when events rudely awaken us that we are pressed into asking some...