閱讀下面短文，從短文所給的選項(xiàng)中選出填入短文空白處的最佳選項(xiàng)，使短文通順連貫，其中有兩項(xiàng)是多余選項(xiàng)。
   Sleep is like food for the brain.（1）

B

B

However，many Chinese do not sleep well and many do not pay enough attention to sleep.
   According to the index（指數(shù)），nearly a quarter of Chinese people don't sleep well.（2）

E

E

and 15 percent people have trouble falling asleep.
   Ye Jingying，a sleep expert（專家）at Beijing Tongren Hospital，says， "If people often wake up during the night，or always feel weak and tired in the day，they should pay attention to their sleep pattern（模式）."
   （3）

A

A

The report said that this is one of the main reasons for bad sleep.Other reasons include stress and bad moods.
   （4）

G

G

Above all，get enough sleep.Seven to nine hours of sleep every night is perfect for an adult，and eight to nine hours is best for a teenager.
   Having good sleep habits is important.The report suggested that people need to keep away from digital devices（數(shù)碼產(chǎn)品）for at least an hour before sleep.（5）

D

D

Other suggestions include：try to go to sleep and wake up at the same time every day，even on weekends and during holidays，and do the same relaxing things before bed each night，like listening to soft music.

A.Many people play with their cell phones or ipads before sleeping. B.Enough sleep helps the body and brain grow and develop. C.Do you sleep well？ D.The lights keep their brains excited for a long while. E.Half said that they feel tired after getting up F.They feel tired after getting up. G.How to sleep well？