Sleep & Recovery
Jet Lag: Why It Happens and How to Reset Faster
What jet lag is, why flying east is harder than west, and which methods — light, melatonin, schedule — genuinely speed up resetting your body clock.
3 min read
#circadian rhythm
6 articles
Sleep & Recovery
Chronotypes: Night Owl, Early Bird and Living With Your Clock
What a chronotype is and how innate it really is, how to identify yours, what social jetlag costs you, and whether you can shift your schedule — with a realistic two-week plan.
6 min read
Sleep & Recovery
Caffeine and Sleep: When to Stop Drinking Coffee
How caffeine really works: adenosine blockade, half-life and CYP1A2 genetics, EFSA safe limits, and the evidence-based cut-off time from a 2023 meta-analysis.
13 min read
Sleep & Recovery
How Much Sleep Do You Need? Norms by Age
How many hours of sleep adults and children actually need, why long sleep also shows up in risk charts, and how to find the number that works for you.
14 min read
Sleep & Recovery
Sleep Hygiene: 12 Rules That Actually Work
Sleep hygiene rules sorted by strength of evidence: what genuinely improves sleep, what is oversold, and why chronic insomnia needs CBT-I instead.
13 min read
Sleep & Recovery
Does Melatonin Work, and Who Actually Needs It?
Melatonin is a timing signal, not a sedative. The honest effect size, the dose and timing that matter, the supplement quality problem, and who really benefits.
13 min read