Coaching practices for The Two Process Model of Sleep as a Caregiver

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Does this sound like the set of challenges you might be facing?

  • I’ve thrown everything at my sleep
  • After a rough night I go to bed early, nap in the afternoon, sleep in on the weekend to make up for it
  • On the days I barely move or do anything mentally demanding, I’d expect to crash hard at night
  • I get into bed an hour or two early to give myself the best shot at sleep, and instead I just lie there weirdly wide awake
  • When things get busy and stressful, sleep is the first thing I cut to claw back hours

Practices that may help

  1. The Two-Process Model of Sleep
    Alexander Borbély’s two-process model describes sleep as the interaction of two independent systems: Process S (homeostatic sleep pressure, which builds throughout waking hours like a battery draining) and Process C (the circadian clock, which gates sleep propensity in a 24-hour rhythm). Good sleep requires both processes to align — sleep pressure high and the clock in its nighttime phase simultaneously. The model is well established in sleep science.
  2. Use the two-process model to diagnose your specific sleep problem
    Identify whether your sleep issue is a Process S problem, a Process C problem, or both — because the fixes are different.
    The Two-Process Model of Sleep
  3. Build homeostatic sleep pressure by staying awake
    Resist napping late or sleeping in when you want to fix your sleep — consistent waking builds the pressure that makes sleep arrive.
    The Two-Process Model of Sleep
  4. Use vigorous daytime activity to build a clean Process S curve
    Physical and mental activity during the day steepen the sleep pressure curve, making evening sleepiness arrive on time.
    The Two-Process Model of Sleep
  5. Align your sleep window with the circadian gate
    Go to bed when both systems are aligned: sleep pressure is high AND the clock is in its sleep phase.
    The Two-Process Model of Sleep
  6. Treat sleep as your primary resilience deposit
    Consistent, adequate sleep is the single highest-yield resilience deposit — it restores every system that adversity will draw on.
    The Resilience Bank Account, Made Practical
  7. Sleep on important decisions
    For complex decisions, delay commitment overnight — sleep processing integrates information deliberate thought misses.
    The Three Bs of Creativity: Bed, Bath, and Bus
  8. Use consistent timing as the primary Process C anchor
    A stable sleep–wake schedule is the single most reliable way to keep the circadian clock on time.
    The Two-Process Model of Sleep
  9. Treat sleep as the primary allostatic reset
    Consistent, sufficient sleep is the single highest-leverage intervention for reducing accumulated stress load.
    Allostatic Load, Made Practical
  10. Treat sleep as the highest-ROI longevity investment
    No single intervention produces more broad-spectrum health benefit per hour than consistent, high-quality sleep.
    Healthspan vs. Lifespan: Optimizing How Well You Age, Not Just How Long

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