Smartphone Addiction and Loneliness Among Adolescents: A Comprehensive Review of Psychological, Behavioural, and Social Correlates
Keywords:
Smartphone Addiction, Loneliness, Problematic Smartphone Use, Social Withdrawal, Mental Health, Digital Behaviour, Psychosocial Well-BeingAbstract
Smartphone use has become nearly universal among adolescents, providing convenience, communication, entertainment, and social connectivity. However, excessive and maladaptive use, often described as smartphone addiction or problematic smartphone use, has emerged as a growing behavioural and public health concern. At the same time, loneliness remains a significant psychosocial issue during adolescence, a developmental stage characterised by increased sensitivity to peer relationships, belongingness, and social evaluation. Evidence from recent and foundational studies indicates that smartphone addiction and loneliness are closely related and may influence each other in a bidirectional manner. Adolescents experiencing loneliness often turn to smartphones as a coping mechanism for emotional relief, social reassurance, and distraction. Digital platforms can provide a temporary sense of connection; however, excessive smartphone use may reduce face-to-face interactions, contribute to social withdrawal, disrupt sleep, and impair emotional regulation. Over time, these effects may worsen feelings of loneliness and negatively impact psychosocial well-being. Several psychological mechanisms help explain this relationship, including fear of missing out, social comparison, emotional avoidance, and reduced development of social competence.
In addition, factors such as depression, anxiety, stress, low self-esteem, parenting style, and poor family communication may influence both smartphone addiction and loneliness, increasing their severity and persistence. Overall, problematic smartphone use should not be viewed merely as excessive screen time, but as a complex psychosocial issue embedded within emotional, developmental, and relational contexts. Future research should focus on longitudinal and intervention-based approaches to promote healthier digital behaviour and improve adolescent mental well-being.
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