By the numbers

Sleep

6: Number of years you will spend dreaming over the course of your lifetime

136,000: Number of dreams you will enjoy (or wake screaming from) in that time

5 million: Number of American children who suffer from nocturnal enuresis: bed-wetting

8-10 years: Life span of an average mattress

1 year: Length of time an adult bedbug can survive without feeding

Source: Discover Magazine