The journal
Sleep, studied
The science of sleep, written to be read. Every article is referenced, every claim held to what the evidence actually shows, and nothing here exists to sell you anything. Education first; the products can speak for themselves later.
Sleep science · 9 September 2026
Perimenopause and waking at night: why the 3am wake arrives in your forties
Night waking is the sleep problem that rises most through the transition, and hormones are only part of the reason. What the research shows, and what UK guidance now recommends.
Read the article
The evidence · 9 September 2026
Magnesium glycinate vs citrate vs oxide: which form actually matters?
The forms differ in absorption, tolerability and price, and the label rarely tells you the elemental dose. An honest comparison.
Read the article
Sleep science · 8 September 2026
When should you stop drinking caffeine before bed?
Its half-life is around five hours, and the research puts the cut-off for a normal coffee at about eight hours before bed. What the trials show, and how to move your last cup.
Read the article
The evidence · 7 September 2026
Glycine and sleep: what the evidence actually shows
Three grams before bed has real but young evidence for falling asleep faster. What the trials show, who funded them, and where the honest limits sit.
Read the article
Sleep science · 1 September 2026
Why do I wake up at 3am?
Waking in the night is usually normal physiology, not a fault. What happens in the small hours, what makes it worse, and what genuinely helps.
Read the article
Sleep science · 31 August 2026
Falling asleep and staying asleep are different problems
The physiology of sleep onset and sleep maintenance, and why one product rarely fixes both.
Read the article
Regulation · 31 August 2026
Why you can't buy melatonin over the counter in the UK
The regulation, the reasoning, and what the evidence says about the alternatives.
Read the article
The evidence · 31 August 2026
Magnesium and sleep, an honest look at the evidence
What the trials actually show, where they fall short, and the dose that makes sense.
Read the article