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睡眠质量睡眠时长（全英）

感谢您能抽出几分钟时间来参加本次答题，现在我们就马上开始吧！比心！

Do you think that using electronics before going to bed affects your sleep quality?

YES

How does that affect your sleep quality?

A. insomnia

B. excessive sleepiness

C. light sleep(frequent wake-ups)

D. waking too early

E. sleepwalking nightmare

F. anxiety

G. I always sleep well

How long do you use electronics before going to bed?

A. Less than 30 minutes

B. 30-60 minutes

C. 60-90 minutes

D more than 90 minutes

How long do you sleep every day?

A. 1-3 hours

B. 3-5 hours

C. 5-7 hours

D. 7-9 hours

E. more than 9 hours

How would you like to rank your sleep quality level from 1 to 5?

A. 1

B. 2

C. 3

D. 4

E. 5