Sleep.
— The most under-reported lever in public health. What rest does to a body, and the small things that quietly steal it back.
4 essays · all unpaywalled
- 08
Sleep debt: what you can pay back, and what you cannot.
The reassuring story that a long Sunday lie-in repairs a five-night sleep deficit is mostly wrong. The honest story — what recovers quickly, what recovers slowly, and what does not recover at all — is more useful.
11 MIN - 12
Caffeine and sleep: the half-life math no one teaches you.
You can probably fall asleep after an afternoon coffee. The question is not whether you fall asleep. The question is what the caffeine still in your bloodstream does to the sleep itself.
9 MIN - 17
Blue light, screens, and sleep: what the evidence actually says.
The 'blue light is destroying your sleep' narrative has been everywhere since 2012. What retinal physiology, melatonin suppression studies, and real-world trials say — and where the panic overshoots the data.
13 MIN