Sleep is the most-studied recoverable health system. Below: what the published research describes about the highest-effect-size interventions, with citation density and zero advice.
A measured look at sleepmaxxing: which sleep-optimisation practices research genuinely supports, which are fads or unproven, and where the trend outruns the evidence.
12 min read · 2026-06-04 Sleep habitsAn evidence-graded look at sleep hygiene advice: which habits are well-supported, which are weak, and why clinical insomnia needs more than hygiene alone.
11 min read · 2026-06-04 Circadian rhythmA measured look at what genuinely shifts the body clock, from timed light and melatonin to meal and exercise timing, and what the evidence overstates.
11 min read · 2026-06-04 SupplementsA measured look at magnesium glycinate and sleep: what trials actually show, how forms differ in absorption, sensible doses and who should take care.
10 min read · 2026-06-04 Sleep medicineSleep apnea is diagnosed via polysomnography (sleep lab study) or home sleep apnea testing. This page describes what each measures, why home tests miss most mild cases, and AHI diagnostic thresholds.
11 min read · 2026-06-01 Sleep physiologySleep is not a single state but a cycle of physiologically distinct stages — N1, N2, N3 (deep sleep), and REM. This page describes what researchers measure to identify each stage and what each does.
10 min read · 2026-06-01 Sleep researchDecades of controlled trials have measured what happens when sleep is restricted. This page describes cognitive, metabolic, immune, cardiovascular, and mental health effects as the research literature reports them.
11 min read · 2026-06-01 Sleep durationSleep research recommends 7-9 hours for most adults. This page describes the range, individual variation, what changes across the lifespan, and why duration alone isn't the full picture.
11 min read · 2026-06-01 Sleep supplementsMelatonin is among the most-used sleep supplements. The studied effective dose range is 0.3-3 mg — substantially lower than most consumer products. This page describes what the research actually measures.
12 min read · 2026-06-01 Sleep scienceWhat the published research describes about NREM sleep stages — N1, N2, and slow-wave sleep — their function, duration, what disrupts them, and the role of magnesium.
9 min read · 2026-06-15 Supplements · Dosing guideMagnesium glycinate vs oxide, citrate, and malate — what absorption data shows, the research dose range (300–400 mg elemental), and what 40+ studies describe about sleep quality and muscle recovery.
10 min read · 2026-06-24 Supplements · Stack guideMagnesium glycinate, L-Theanine, and melatonin at clinical doses. Why most sleep supplements are underdosed, and what the evidence describes about combining them safely.
11 min read · 2026-06-30What the research describes about 12 sleep interventions, ranked by measured effect size. No advice, no marketing claims, just what trials measured with citations.