Smartphone usage before bed in South Korea 2018, by age group

This statistic shows the duration of smartphone use before bedtime in South Korea as of June 2018, by age group. During the survey period, the average smartphone use of the respondents from 20 to 29 years amounted to about 50 minutes before bed.

本统计数据显示，截至2018年6月，韩国睡前使用智能手机的时长，按年龄段划分。在调查期间，20至29岁年龄段的受访者睡前平均使用智能手机的时间约为50分钟。