
Alcohol and sleep: real effects and what to do
Falling asleep, REM sleep, awakenings and HRV: what alcohol really changes, how to reduce its impact and which signs warrant medical advice.
Read the analysisAnalyses, protocols and critiques to distinguish useful signals from noise in nutrition, sleep, performance and supplementation.

Falling asleep, REM sleep, awakenings and HRV: what alcohol really changes, how to reduce its impact and which signs warrant medical advice.
Read the analysis
Ergynuit Sommeil Profond review: official ingredients, doses compared with studies, limitations of GABA and valerian, daily cost and alternatives.

Eye risks, blue light, bipolar disorder, photosensitizing medications: precautions for light therapy glasses and when to seek medical advice.

Granions magnesium review: formula containing oxide, elemental dose, additives, daily cost and comparison with Nutripure and Nutrimuscle.

Testosterone on day 7, energy, NoFap, prostate health and sperm quality: what the evidence really allows us to say about semen retention.

Complete the Cooper test in 12 minutes, estimate your VO2max and interpret age- and sex-based reference tables without confusing performance, estimation and measurement.