Balancing Benefits and Risks: A Mini Review of The Complex Relationship between the Blue Light Exposure and Sleep Health | ||
| Bulletin of Egyptian Society for Physiological Sciences | ||
| Articles in Press, Accepted Manuscript, Available Online from 07 November 2025 PDF (430.36 K) | ||
| Document Type: Review Article | ||
| DOI: 10.21608/besps.2025.396423.1218 | ||
| Authors | ||
| Noha Lasheen* 1; Omnia Magdy2; Sara Ibrahim2; Rana Osama2; Sama Elsherefy3; Asmaa Mohamed4 | ||
| 1Medical Physiology Department, Faculty of Medicine, Ain Shams University | ||
| 2Undergraduate Medical Student, Faculty of Medicine, Galala University | ||
| 3Undergraduate Student in Faculty of Medicine, Ain Shams University, | ||
| 4Undergraduate Student in Faculty of Medicine, Cairo University | ||
| Abstract | ||
| The influence of technology, specifically social media engagement and exposure to blue light, on sleep patterns has been raised in the last ten years. To comprehend the relationship between these characteristics and sleep disruptions, this study intends to analyse the body of available literature to understand the association between these factors and disturbances in sleep. The impact of blue light exposure on circadian rhythms, melatonin suppression, and cognitive performance is highlighted. Blue light emitted from electronic devices has been associated with disruptions in the sleep wake cycle and reduced melatonin level. Additionally, the potential effects of blue-light filtering lenses and the use of technology to regulate light exposure for improved sleep are discussed. This review emphasizes the importance of establishing healthy technology usage habits to mitigate the negative impact on sleep. Controlled exposure to blue light has shown promise in the treatment of certain medical conditions, including seasonal affective disorder and circadian rhythm disorders. The objective of this review is to examine the complex relationships between blue light and melatonin secretion, as well as, the length of sleep, with a focus on both the negative and possible positive effects on human health and wellbeing. Researchers and medical professionals can better customise therapies to improve general health and sleep quality by knowing the subtle effects of blue light. | ||
| Keywords | ||
| Blue Light; Healthy Technology; Post-Traumatic Stress Disorder; Social Media; Sleep Disorders | ||
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