Impact of Bedtime Digital Media Use on Sleep Across Age Groups: Insights From a Nationwide Survey in South Korea.

ABSTRACT:

Background and purpose

Given the widespread use of digital media, this study aimed to investigate the relationship between bedtime digital media use and sleep disturbances, with a focus on age-related variations.

Methods

We conducted a nationwide cross-sectional study of 4,000 participants aged 20-69 years using an online survey between January 2022 and February 2022. The questionnaire assessed the frequency and duration of bedtime digital media use and resulting sleep procrastination, Insomnia Severity Index (ISI), and awareness of digital media's impact on sleep.

Results

Daily bedtime digital media use and sleep procrastination were reported by 64.1% and 23.5% of the participants, respectively. Bedtime digital media usage was correlated with insomnia symptoms, with

SUBMITTER: Cho JW 

PROVIDER: S-EPMC12569418 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature