Background: Fear of Missing Out (FoMO) is a psychological phenomenon increasingly experienced by generation z due to the widespread use of social media in the digital age. This phenomenon is associated with mental health issues and various risky behaviors. Purpose: To examine the phenomenon of Fear of Missing Out in the social media era and its impact on the mental health and risky behaviors of generation z. Method: A literature review design was used, analyzing ten relevant articles published between 2023 and 2026 from Google Scholar, PubMed, and ScienceDirect. Results: FoMO was significantly associated with higher levels of anxiety and depression, as well as maladaptive behaviors including sleep disturbances, phubbing, and problematic social media use. Conclusion: FoMO is a psychological factor that triggers increased anxiety and depression and encourages various risky behaviors such as sleep disturbances, phubbing, and problematic social media use. Suggestion: FoMO management through the formation of healthy social media usage habits and adaptive psychological prevention strategies is needed to improve the mental health of generation z. Keywords: Fear of Missing Out; Generation Z; Mental Health; Noisy Behavior; Social Media.
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