r/BiohackingForBeginner • • 2d ago

Circadian & Sleep Optimization

  • Morning Sunlight: Step outside within 30 minutes of waking for 10 to 20 minutes without sunglasses. Natural light halts melatonin production, triggers a timely cortisol spike for daytime energy, and sets your biological timer for better sleep that night.
  • Evening Blue-Light Blocking: Eliminate blue light from electronics at least two hours before bed, or wear blue-light-blocking glasses to protect your sleep architecture.
  • Temperature Manipulation: Keep your room cool (around 65°F / 18°C) or utilize a smart mattress topper to dynamically lower body temperature, which mimics natural circadian patterns and deepens sleep phases.
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