Category
7 plain-language articles on sleep and recovery — the physiology, the compounds, and what the evidence actually shows.
7 articles
Why you're tired but can't sleep
The pattern is its own particular kind of awful. The body is exhausted — limbs heavy, eyes burning, brain foggy. And yet the moment you lie down, the mind speeds up. You stare at the ceiling. You replay tomorrow's calendar. You check the clock at 1:47, then 3:12, then 4:38. You wake up tired, push through the day on caffeine and willpower, and arrive at bedtime in the same dysregulated state. The cycle keeps repeating.
Growth hormone and the slow-wave window — why sleep depth matters more than duration
You're in your forties and you train hard. You used to recover in a day. Now it takes three, sometimes four. You haven't changed much about how you train, and nothing obvious in your life has gotten worse. The soreness just lingers longer. The energy that used to be there by Wednesday morning now shows up, if it shows up, on Thursday. You sleep seven hours. Sometimes eight. And yet something in the repair cycle has gone quiet.
Why melatonin stops working after 40
You started with half a milligram and it worked. Then it worked less well and you moved to one milligram, then three, then five, then ten — the gummy your partner saw on the nightstand that said ten milligrams on the label as if that were a reasonable thing to put in a gummy. And sleep has gotten worse, not better, or marginally better in a way that doesn't match the dose escalation. And somewhere in the background is a nagging sense that you're doing something wrong but you don't know what because melatonin is natural and natural means safe.
Melatonin discovery — how a frog skin extract became the world's most-taken sleep aid
It was 1958, and Aaron Lerner was working with a problem that had nothing to do with sleep. The Yale dermatologist was trying to understand what caused certain skin diseases — vitiligo in particular, the condition that removes pigment from patches of skin in irregular, spreading patterns. He had a hypothesis: somewhere in the body, there was a substance that acted against melanin. Where melanin darkened the skin, this hypothetical compound would lighten it. He called it, before he'd found it, a melanocyte-lightening substance. And he believed, based on older papers suggesting the pineal gland had some relationship to skin pigmentation in frogs, that the pineal might be where it lived.
Sermorelin in plain English — what growth-hormone-peptide actually does
You've heard the phrase "growth hormone peptide" and you've probably pictured something adjacent to performance-enhancing drugs — the territory of professional athletes and extreme biohackers, syringe-and-vial culture, people who are trying to be something they're not. The reality of what sermorelin actually is and how it works is substantially less dramatic, and substantially more interesting, than that image.
Sleep architecture: deep sleep, REM, and why the night isn't one thing
You wake up after eight hours and feel like you got three. You did everything right — lights off at ten, no phone, no caffeine after noon, blackout curtains — and still you surface from sleep feeling scraped out and slow. The hours were there. Whatever sleep was supposed to do with them apparently didn't happen.
The strange dreams that started this year — what changed dream patterns are signaling
You wake from a dream so detailed it takes a moment to remember which world is the real one. There was a plot — a long one, with locations and people and a sense of stakes — and it stays with you through brushing your teeth and into the first coffee, vivid enough that you almost want to describe it to someone, except it doesn't quite translate into words. This is the third night this week. The dreams have a texture they didn't used to have: longer, more narrative, more emotionally charged, and strangely tiring, as though you spent the night working rather than resting. You wake more often, too, surfacing directly out of these dreams at 4 and 5am. You're sleeping the same hours. You feel less rested.