A pound of body fat stores an amount of chemical energy equivalent to 3500 Cal. When sleeping, the average adult burns or expends about 0.45 Cal/h for every pound of body weight. How many Calories would a 184 lb person burn during 6 hours of sleep? (Note that 1 Cal = 1 kcal.)
184lb * 6hr * 0.45Cal/hr-lb = 496.8 Cal
extra credit -- how many ounces will he lose?