更多"If you feel tired all the time, you"的相关试题:
[单项选择]If you feel tired all the time, you don’t necessarily need to go to bed earlier. The solution could be as simple as taking a five-minute afternoon nap. Children under five have an abundance of energy and one of the reasons is because they nap once or twice a day. Many sleep experts think we are programmed to take a nap during the day, and getting back into this habit can be a solution for those who feel tired all the time. Professor Criss Ezekosky of the Sleep Advisory and Assessment Center thinks that one can feel refreshed after just five minutes; sleep and research has shown that concentration and attention are improved after even a short nap. Sleep is genetically programmed in babies and it’s only as we get older that we learn to sleep about 8 hours at night and not at all during the day. But most research suggests that we are not physically designed to sleep for one-long single block. Before the working day became 9:00 to 5:00, all western sleep patterns were all broken up. Resear
A. its genes.
B. its habit.
C. its mental state.
D. its physical condition.