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.
Women should try to increase their sleep during the first trimester. Doctors at MayoClinic.com suggest adults get an average of seven to nine hours of sleep per night. Because pregnancy increases the demands on a womanâs body, especially during the first trimester, pregnant women may need more sleep.