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Weekend–weekday advances in sleep timing are associated with altered reward-related brain function in healthy adolescents
Changes in weekend and weekday sleep times are linked to differences in reward system activity in healthy teens
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Abstract
Greater weekend-weekday shifts in sleep timing are associated with decreased mPFC and striatal reactivity to reward.
- Sleep timing shifts to later hours during adolescence may conflict with early school start times.
- Irregular weekday-weekend sleep schedules are linked to circadian misalignment.
- Circadian misalignment is associated with increased risk for depression and substance abuse.
- Decreased reactivity in key brain regions involved in reward processing may result from greater shifts in sleep timing.
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