Brain bafflers - Rowland Morgan

Brain Bafflers and Mind Bogglers is packed with unbelievable facts and shows you how to prove them yourself by doing a little number crunching.Check how much you sleep in a year, counting nine hours a night.9x365=3,285Now convert those 3, 285 hours into 24 hour days,then months, counting 30 days per month:3,285 divided by 24 = 136.9 (137 days)137 divided by 30 = 4.6 monthsFour months a year! so in a typical lifetime of about 70 years, we lie flat out, slumbering and snoring, for:70x4 = 280 months, divided by 12 = 23.3 yearsThat's no fewer than twenty-three years.We're all Sleeping Beauties.