The archive

Research, reviews, and guides for better sleep.

This is the main reading archive for Look What I Dig, with articles on sleep products, supplements, routines, and the occasional bridge into productivity and biohacking.

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Biohacking

Infrared Sauna Protocol: Science-Based Health Benefits

May 21, 2026 · 3 min read

Infrared sauna protocols for health and longevity. Heat shock proteins, cardiovascular benefits, detox claims, and how to sauna for maximum benefit.

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Biohacking

Vitamin D Supplements: Science, Dosage, and Deficiency

May 21, 2026 · 3 min read

Vitamin D supplementation explained: testing, optimal levels, dosage protocols, and the best vitamin D3 supplements for immune health and mood.

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Biohacking

Cold Shower 30-Day Protocol: Benefits and Science

May 21, 2026 · 4 min read

A 30-day cold shower protocol with daily progression. The science of cold thermogenesis, dopamine response, and health benefits.

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Biohacking

Creatine for Brain Performance: More Than a Gym Supplement

May 21, 2026 · 4 min read

Creatine for cognitive performance explained. Brain energy metabolism, research on memory and reasoning, dosing protocols, and the best creatine supplements.

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Biohacking

Omega-3 Supplements: EPA vs DHA Benefits Explained

May 21, 2026 · 4 min read

Omega-3 fatty acids explained: EPA vs DHA, brain and heart benefits, optimal dosage, and the best fish oil supplements for 2026.

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Productivity

Time Blocking Templates: Free Printable Schedules

May 21, 2026 · 3 min read

Free time blocking templates and printable daily schedules. How to structure your day in blocks for maximum productivity.

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Productivity

Deep Work Book Summary: Key Takeaways from Cal Newport

May 21, 2026 · 4 min read

A complete summary of Deep Work by Cal Newport. Rules for focused success, the four philosophies, and actionable strategies for building concentration.

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Productivity

Decision Fatigue: How to Protect Your Willpower

May 21, 2026 · 4 min read

Decision fatigue explained: why making too many choices drains your willpower. Science-based strategies to reduce daily decisions and preserve mental energy.

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Productivity

Inbox Zero: Email Management That Actually Sticks

May 21, 2026 · 3 min read

How to reach and maintain Inbox Zero without spending hours on email. Processing rules, automation, and the touch-once philosophy.

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Productivity

Second Brain: Build a Personal Knowledge Management System

May 21, 2026 · 4 min read

How to build a Second Brain — a personal knowledge management system that captures, organizes, and retrieves your ideas, notes, and insights.

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