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Dr Justin Coulson’s Happy Families

#1165 - 23% Better School Performance? The Sleep Secret Nobody's Talking About

12 min • 30 januari 2025

Want better bedtime routines? Start with wake-up time. In this eye-opening episode, we reveal why your morning routine is the secret weapon for achieving peaceful nights. Backed by fascinating neuroscience from Stanford's Andrew Huberman and real-world success stories, you'll discover how morning sunlight triggers a cascade of sleep-friendly hormones that can transform your family's entire day-night cycle. Plus, learn why letting your teens sleep in might actually be sabotaging their sleep schedule and how early risers show up to 23% better performance in morning classes.

Quote of the Episode: "Exposure to morning sunlight triggers a cascade of hormones that regulate the entire day-night cycle."

Key Insights:

  • Your wake-up time sets your body's internal stopwatch for the entire day
  • Teenagers naturally produce melatonin later than adults but still need 9-10 hours of sleep
  • Weekend sleep-ins create a "mini jet-lag" effect that makes Monday mornings harder
  • Morning sunlight exposure activates melanopsin-containing retinal cells that signal the brain's master clock
  • Students with consistent wake times show up to 23% better performance on morning cognitive tests
  • The brain consolidates learning during sleep, making regular sleep patterns crucial for academic success
  • Modelling early rising as parents can naturally influence children to adopt better sleep habits

Resources Mentioned:

  • Andrew Huberman Podcast
  • Stanford University research on circadian rhythms
  • HappyFamilies.com.au

Action Steps for Parents:

  1. Establish a consistent wake-up time for the whole family
  2. Get outside for morning sunlight exposure immediately after waking
  3. Minimise screen time in the evening hours and keep bedtime consistent, even on weekends

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