1 As brown sugar contains some amount of water, it has a slightly lower caloric value by weight than white sugar: calorific value per teaspoon is 11 kcal for raw sugar, 16 kcal for white sugar.  Because of the presence of molasses in raw sugar, it has a distinct flavor that is missing in white sugar.
For example, in general: 1  Infants require about 14-15 hours a day. 2  Teenagers need about 8.5-9.5 hours on average. 3  Most adults need 7 to 9 hours a night for the best amount of sleep, although some people may need as few as 6 hours or as many as 10 hours of sleep each day.
After REM sleep, the whole cycle begins again. How much sleep is required? There is no set amount of time that everyone needs to sleep, since it varies from person to person. Results from the sleep profiler indicate that people like to sleep anywhere between 5 and 11 hours, with the average being 7.75 hours.