Paper Title: The Adolescent Sleep Paradox: A Biological Mismatch
Author:
Abstract:
Adolescence is a critical developmental stage marked by profound biological, neurological, and hormonal transformations that significantly influence sleep regulation. One of the most notable changes during this period is a biologically driven shift in sleep timing, often referred to as the adolescent sleep paradox, where natural physiological processes promote later sleep onset while social and academic demands require early waking. This mismatch arises primarily from alterations in the circadian timing system controlled by the suprachiasmatic nucleus, a delayed onset of melatonin secretion, and a slower accumulation of homeostatic sleep pressure. Additionally, adolescence is characterized by changes in sleep architecture, including a reduction in slow-wave sleep that is essential for synaptic pruning, brain plasticity, and memory consolidation. Inadequate sleep during this stage disrupts critical neurodevelopmental processes, particularly in the prefrontal cortex, impairing cognitive performance, emotional regulation, and decision-making. Chronic sleep deprivation also contributes to hormonal imbalances, including elevated cortisol levels, disrupted growth hormone secretion, and altered appetite-regulating hormones such as leptin and ghrelin. These disturbances increase the risk of metabolic disorders, weakened immune responses, and long-term neuropsychiatric conditions such as anxiety and depression. Environmental influences—including artificial light exposure, increased screen use, and early school schedules—further exacerbate the biological delay in sleep timing. Understanding the biological basis of adolescent sleep patterns is essential for developing effective interventions that align environmental demands with adolescent physiology. Strategies such as later school start times, reduced nighttime screen exposure, and consistent sleep routines can help mitigate the adverse consequences of sleep deprivation and support optimal cognitive, emotional, and physical development during adolescence.
Keywords:Adolescence; Circadian rhythm; Melatonin; Sleep deprivation; Neurodevelopment.
DOI Link – https://doi.org/10.63431/AIJITR/3.I.2026.166-169
Review By – Dr. Amit Adhikari and Dr. Shiladitya Satpathi