Category
Sleep Science
Understand your sleep cycles, diagnose common problems, and build habits that actually stick — all backed by research.
Exercise and Sleep: How Timing and Type of Workout Affects Your Rest
Exercise is one of the most evidence-backed sleep improvements. But timing, intensity, and type matter enormously. Here's what the research shows.
Napping Science: When, How Long, and Why Naps Help or Hurt Sleep
A 20-minute nap boosts alertness, but a 90-minute nap steals from nighttime sleep. Learn the science of napping windows and the right timing for your circadian rhythm.
How to Fall Asleep Fast: 12 Evidence-Based Techniques
Struggling to fall asleep? These 12 science-backed techniques address the root causes of sleep onset insomnia — and most take less than 10 minutes.
Circadian Rhythm Optimization: A Complete Science-Based Guide
Your internal 24-hour clock governs energy, hormones, metabolism, and mood. Here's how light, food timing, temperature, and exercise can reset it for peak daily performance.
REM Sleep Explained: Why It Matters for Memory, Mood, and Mental Health
REM sleep is the most brain-active sleep stage — and the most misunderstood. Here's what actually happens during REM and why losing it has serious consequences.
Sleep Hygiene Checklist: 12 Science-Backed Habits for Better Sleep
Sleep hygiene isn't just common sense — each habit on this list has specific research behind it. Here's what actually works, what's overrated, and how to prioritise.
How Alcohol Affects Sleep Quality (It's Not What Most People Think)
Alcohol helps you fall asleep faster — but it significantly degrades sleep quality. Here's exactly what it does to your sleep architecture and why the tradeoff isn't worth it.
How Much Deep Sleep Do You Actually Need? What the Science Says
Deep sleep is the most physically restorative stage — but how much do you actually need? Here's what research says about normal ranges, age-related changes, and how to get more of it.
Sleep Debt: What It Is, How It Builds, and How to Actually Recover
Sleep debt is cumulative and has real consequences for your health and performance. Here's the science on how it builds, what it costs you, and the most effective recovery strategies.
The 90-Minute Sleep Cycle: How to Wake Up Feeling Rested Every Time
Waking up groggy isn't just about how much you sleep — it's about when you wake up. Understanding your 90-minute sleep cycles can transform how you feel in the morning.
Melatonin vs Magnesium for Sleep: Which One Should You Take?
Melatonin and magnesium are the two most popular sleep supplements — but they work very differently. Here's how to choose the right one for your specific sleep problem.
Magnesium Glycinate for Sleep: Dosage, Benefits, and What the Science Says
Magnesium glycinate is one of the most bioavailable forms of magnesium for sleep. Here's what research says about dosage, timing, and who benefits most.
Why You Wake Up at 3am — And How to Stop
Waking in the middle of the night is one of the most frustrating sleep problems. Here's the biology behind why it happens — cortisol timing, sleep architecture, alcohol metabolism — and five evidence-based fixes.