Impact of Sleep and Circadian Rhythms on Addiction Vulnerability in Adolescents

Adolescents require 8 to 10 hours of sleep per night, but few achieve these durations.

• Sleep and circadian disruptions in adolescents are linked to various adverse health outcomes, including substance use disorders.
• Developmental changes, social demands, and environmental factors contribute to inadequate sleep among adolescents.
• Homeostatic sleep drive increases slowly, circadian rhythms tend to delay, and light exposure at night heightens sensitivity to phase shifts, resulting in a preference for evening activities.
• Early school start times and nighttime electronic device use further disrupt sleep and contribute to social jet lag.
• Chronic sleep loss and circadian misalignment may heighten reward sensitivity and impulsivity, leading to increased risky behaviors and a higher likelihood of substance use.

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