Members ask us about sleep more than any other topic. The answer is uncomplicated and unsexy: most people are over-supplementing and under-engineering. The biggest sleep gains live in three small, structural changes — and one supplement.
Thermoregulation first.
Core body temperature has to drop by roughly one degree Fahrenheit for sleep onset to happen. The single most effective thing you can do for sleep latency is help that drop along. A warm shower or a brief sauna ninety minutes before bed dilates peripheral blood vessels; the heat then dissipates, and core temperature falls. Cold bedroom, warm body. The sequence matters.
Light, in the right order.
Bright light in the first hour after waking, ideally outside. Dim light in the last two hours before sleep. The biology behind this is well-mapped: morning light suppresses morning melatonin and anchors the circadian clock; evening light delays melatonin onset by up to two hours. Most members get this exactly backwards, with bright kitchen overheads at 10pm and a phone in bed.
The supplement.
Magnesium glycinate, taken about an hour before bed, at the dose your healthcare provider recommends. We mention glycinate specifically because the chelate carries the magnesium across the blood-brain barrier more reliably than other forms, and the glycine on its own has a small but real effect on sleep depth.
Most people are over-supplementing and under-engineering. The structural changes matter more than the stack.
What we don't recommend.
- Alcohol within three hours of sleep — it fragments REM sleep even at one drink.
- Melatonin as a daily supplement at high doses — it pushes timing more than depth, and the dose-response curve is shallow above 0.3 mg.
- Sleep trackers used to rank yesterday's sleep. Use them for weekly trend, not for a daily verdict.
Three small changes, kept for three weeks, will outperform almost any stack of pills you could buy.