A.people who stay up until the next morning |
B.people who get up early in the morning |
C.people who feel sleepy in the morning |
D.people whose productivity is the lowest in the morning |
A.Because he / she wanted to have more sleep time. |
B.Because he / she wanted to do morning exercise. |
C.Because he / she wanted to test which school is better? |
D.Because he / she found that the productivity was higher. |
A.going to bed after midnight |
B.asking scholars for advice on sleeping habits |
C.getting up early occasionally |
D.pressing off the alarm to go on sleeping |
A.Going to bed early and getting up early. |
B.Going to bed late and getting up late. |
C.Going to bed when sleepy and getting up at a fixed early time. |
D.Going to bed early and getting up late. |
A.main schools of thought on sleep patterns |
B.how to have a good sleep |
C.wrong strategies for getting up early |
D.how to become an early riser |