On Wisconsin, the University of Wisconsin alumni magazine, has an interesting article in its Spring edition about sleep. It breaks down how much time we sleep during a lifetime compared with other activities:Sleeping: 36%Other Activities: 19%Working: 16%Watching TV: 11%Household activities: 8%Eating and Drinking: 5%Socializing and Communicating: 3%Sports, exercise and recreation: 1%Telephone calls, mail and email: 1%