This survey is designed to examine how using electronic devices before bed affects people's sleep quality. We guarantee that we will not disclose your personal information.Thank you so much for your participation.
1. Do you have the habit of using electronic devices before bed? yes no
2. Have you ever had trouble going to sleep because you were playing with electronic devices? yes no
3. Do you think using electronic devices before bed interferes with your sleep? yes no
4. How long do you usually use electronic products before going to bed? ＜30 minutes 30 minutes~1 hour 1 hour~2 hours ＞2 hours
5. How long does it usually take you from lying down on the bed to actually falling asleep? ＜15 minutes 15 minutes~30 minutes 30 minutes~1 hour ＞1 hour
6. How tired do you feel in the morning after getting up? Not at all A little bit Moderately Extremely
7. How often do you wake up easily during sleep at night? Hardly ever Occasionally Frequently Very often
8. Which electronic devices do you often use before bedtime? Smartphone Computer Television Game console
9. What are your main purposes of using electronic devices before bedtime? Scroll short videos Watch dramas and videos Social chat Play games Study and work Listen to music
10. Which sleep problems have you experienced due to pre-bed electronic device use? Prolonged sleep onset Light sleep and frequent dreams Frequent nighttime awakening Difficulty getting up in the morning No obvious sleep problems Others：