Does social jet lag increase obesity risk for teen girls?

Question

Accepted Answer

Social Jet Lag Linked to Increased Obesity Risk in Teenage Girls

New research indicates a significant association between social jet lag and a heightened risk of obesity among teenage girls. This association persisted even when accounting for total sleep duration and other lifestyle factors. The study focused on understanding how deviations in sleep timing between school days and free days impact adolescent health.
Social Jet Lag and Physical Measurements

The study found that for teenage girls, each hour of social jet lag was connected to a 1.19 cm increase in waist size and a 0.45 kg/m2 rise in body fat percentage. These findings were derived from anthropometric measurements taken from participants. The research involved 418 girls and 386 boys aged between 12 and 17, who wore wrist actigraphs to monitor sleep patterns for at least five days.
Chronotype and Obesity Association

Beyond social jet lag, an evening chronotype, meaning a preference for later bedtimes and wake times, was also associated with a greater likelihood of being overweight in girls. While the study examined both genders, this specific link to an evening chronotype and increased obesity markers was observed only in girls, not in boys.
Importance of Circadian Rhythm Synchronization

Researchers highlighted the critical role of sleep timing in synchronizing the body's internal circadian clock with daily activities. This synchronization is particularly crucial for adolescents, whose academic and social demands often lead to irregular sleep schedules. Disruption of these biological rhythms can negatively impact physiological processes, contributing to obesity and cardiometabolic risk.
Recommendations for Consistent Sleep Patterns

The findings underscore the importance of maintaining consistent sleep-wake patterns throughout the week for teenagers. Families are advised to encourage regular sleep schedules, including consistent bedtimes and wake-up times, even on weekends. Improving sleep hygiene, such as limiting electronic media and caffeine intake in the evening, is also recommended to support healthier sleep patterns and mitigate associated health risks.

Reading history

Hide →

This history is cleared when the page is closed.

Does social jet lag increase obesity risk for teen girls?

Loading

Was this article helpful?

Helpful

Not helpful

Report an issue

1

0

0

Share with friends