You've held the anchor. You've added the morning light. The bedtime fade is in place. Sleep is better — but it's still not what it could be. There's another layer underneath. The architecture of sleep is built from four pillars, and most people only ever stabilise one of them. This workbook rebuilds all four.

This is intermediate work. Twenty-eight days, four pillars, seven days each — timing, environment, mental state, physiological. Each pillar gets a deep audit, a redesign, and a week of practice. By Day 28 you'll have rebuilt the structure of your sleep from underneath, not patched it from above. The methodology draws on CBT-I, circadian biology, and applied behavioural sleep medicine.

This workbook assumes you've already done foundational sleep work — the anchor wake, basic environment changes, the obvious caffeine fix. It picks up where The Anchor Wake leaves off and goes structural. The pace is intentional. Each pillar is a week because four days of practice isn't enough to feel what a redesign does to sleep architecture.

What's inside:

• Pillar 1 — Timing (Days 1–7). Beyond the anchor wake: chronotype, the wake-to-sleep cascade, when caffeine fits in your day, the ninety-minute rule. Timing is the pillar with the highest leverage and the least understanding.

• Pillar 2 — Environment (Days 8–14). Light, temperature, sound, mattress, screens. The bedroom-as-cue. The audit most people skip because it's unglamorous and high-effort. Most sleep degradation has an environmental contributor.

• Pillar 3 — Mental State (Days 15–21). Pre-bed cognitive load, the rumination loop, the brain dump revisited, the conditioned-arousal pattern. CBT-I's classical contribution. This is the pillar that breaks most adults' sleep without their noticing.

• Pillar 4 — Physiological (Days 22–28). Caffeine half-life, alcohol's effect on sleep architecture (worse than you think), exercise timing, the meal-to-sleep window, hydration. The honest physiological audit.

• Day 28 — The reset map. A personal sleep architecture document. What you changed, what worked, what didn't. Yours to keep, re-run yearly.

• Three rescue pages. For the week one pillar collapses, the night you've broken three of the four, and the season life disrupts the architecture.

Who this is for: For people who've held the anchor wake for at least a month and want to go structural. For sleep-conscious adults who've done the basics and feel a ceiling. Readers of Walker, Foster, or Dijk who want a structured implementation. Therapists and coaches building their own clinical literacy in sleep medicine.

Who this is not for: Not the right starting point if you've never tried CBT-I or wake-time consistency. Begin with The Anchor Wake or any solid CBT-I foundation first. The architecture reset assumes the foundation is in place.

Format: Printable A4 PDF, 28 pages. Designed to be read once and practised over 28 days. Print it. Mark it. Keep it.

Price: 199 SEK / $20 one-time. Lifetime access to the file.