Effect of mobile phone addiction on sleep quality in patients aged 18-45 years with acute myocardial infarction: a chain mediation analysis of coping style, anxiety, and depression.
Research
RF Safe Research Library
Jan 1, 2026
This cross-sectional study (January 2023–January 2025) examined whether mobile phone addiction is associated with sleep quality among AMI patients aged 18–45 years. In 125 participants, mobile phone addiction was positively associated with poorer sleep quality. The authors report that coping styles and…
Evening smartphone exposure impairs sleep quality and next-day performance in elite soccer players: a randomized controlled trial.
Research
RF Safe Research Library
Jan 1, 2026
This randomized controlled crossover trial in 16 male elite soccer players compared two hours of smartphone use before bedtime with magazine reading. Five consecutive nights of pre-bedtime smartphone use significantly worsened multiple sleep metrics and increased sleepiness. The study also reports deteriorations in…
The influence of smartphone addiction on sleep quality among college students: The parallel mediating roles of perceived stress and health-promoting lifestyle.
Research
RF Safe Research Library
Jan 1, 2026
This cross-sectional study surveyed 2,317 college students to examine associations between smartphone addiction and sleep quality. Smartphone addiction was associated with poorer sleep quality, and mediation analyses indicated that higher perceived stress and lower health-promoting lifestyle scores partially…
The Influence of Mobile Technologies on the Quality of Sleep
Research
RF Safe Research Library
Jan 1, 2025
This study assessed whether sleeping with versus without a mobile phone (two-week intervals) affects sleep in medical students, using smartwatch-based monitoring. It reports no statistically significant differences in sleep quality or time spent in wakefulness, REM, light, or deep sleep between conditions. The…
Smartphone Usage Patterns and Sleep Behavior in Demographic Groups: Retrospective Observational Study
Research
RF Safe Research Library
Jan 1, 2025
This retrospective observational study analyzed Murmuras app data from 1074 participants in 2022 to examine demographic differences in smartphone use and nocturnal smartphone inactivity duration (a proxy for sleep-related behavior). Nighttime smartphone use increased, especially for social media and entertainment,…
Evaluation of electric field (E) exposure levels and its relationship with the sleep quality of residents around the BTS antennas in Sabzevar, Iran.
Research
RF Safe Research Library
Jan 1, 2024
This study measured RF electric field exposure around BTS antennas in Sabzevar, Iran across multiple times and distances, and assessed residents' sleep quality. E-field levels varied by time, distance, and suburban versus downtown location, while microenvironment differences were not significant. Sleep quality…
Environmental Radiofrequency Electromagnetic Fields Exposure at Home, Mobile and Cordless Phone Use, and Sleep Problems in 7-Year-Old Children
Research
RF Safe Research Library
Oct 28, 2015
This cohort study of 2,361 seven-year-old children assessed modeled residential/school RF-EMF from base stations, reported indoor sources, and children’s mobile/cordless phone use in relation to parent-reported sleep quality. Most sleep subscales were not associated with base-station RF-EMF, though sleep duration…
The Impact of Using Cell Phones After Light-Out on Sleep Quality, Headache, Tiredness, and Distractibility Among Students of a University in North of Iran.
Research
RF Safe Research Library
Jan 1, 2015
This cross-sectional study surveyed 358 university students about cell phone use after lights-out and related symptoms. Sixty percent reported late-night phone use, which was associated with insomnia, and initially with low energy, tiredness, and headache. After controlling for stressful events, only the association…
Sleep quality and general health status of employees exposed to extremely low frequency magnetic fields in a petrochemical complex
Research
RF Safe Research Library
Apr 29, 2014
This cross-sectional study measured ELF magnetic flux density in a petrochemical complex substation environment and assessed workers' sleep quality (PSQI) and general health (GHQ). It reports significant differences between case and control groups, with more sleep disorder and poorer health status in the case group.…
Effect of extremely low frequency electromagnetic field exposure on sleep quality in high voltage substations.
Research
RF Safe Research Library
Jan 1, 2012
This case-control study measured electric field intensity and magnetic flux density in high voltage substations and estimated workers' ELF-EMF exposure over a shift. Sleep quality was assessed using the PSQI in 67 exposed workers and 110 controls. The study reports no statistically significant difference in overall…