Blog

Evidence-based. Direct.
Without trends.

Articles on training, recovery, nutrition and load management — from practice, with scientific background. Published approximately every four weeks.

All Articles

Two people checking their sleep trackers on their wrists — are sleep trackers worth it Sleep & Recovery
Sleep & Recovery
Sleep Trackers: Helpful or Harmful?

A ring, a watch or a mat measures your sleep every night. The question isn't whether the number impresses — it's whether it's true, and what it does to you.

H Herbert Schmidt · August 2026 · 9 min
Man lying awake in bed next to a nightstand clock — waking up at 3am due to cortisol Sleep & Recovery
Sleep & Recovery
Waking Up at 3 a.m. — what cortisol has to do with it

Same time every night, wide awake, thoughts on a loop. Why your stress hormone wakes you, when that's a real problem — and what you can do about it.

H Herbert Schmidt · July 2026 · 9 min
Athlete exhausted after training on a sports field — improve recovery Sleep & Recovery
Sleep & Recovery
Improve Recovery — the system behind rest and performance

Recovery isn't the gap between your workouts. It's the part where progress happens. Which levers really work — sleep, nutrition, heat, HRV — and which ones are overrated.

H Herbert Schmidt · July 2026 · 13 min
White powder in a lab dish next to a measuring scoop — creatine brain effects Nutrition
Nutrition
Creatine and the brain: what's actually proven after 40

Creatine is supposed to sharpen your thinking too. The meta-analyses find a small effect, the EU authority finds none. Both are true — and for most people the muscles are the better reason.

H Herbert Schmidt · July 2026 · 10 min
Woman doing outdoor cold-water immersion — is biohacking dangerous Health & Prevention
Health & Prevention
Is biohacking dangerous?

Some people sacrifice everything for a long life. And forget what they wanted to live for. Where optimisation tips over into maximisation — and why the ratio decides, not the protocol.

H Herbert Schmidt · July 2026 · 10 min
Open tin of magnesium tablets on a wooden table Nutrition
Nutrition
Which magnesium actually works.

Citrate, oxide, glycinate or malate? The form decides, not the milligram number on the label. Which magnesium form your body actually absorbs and when the pill is unnecessary.

H Herbert Schmidt · June 2026 · 8 min
Man lying awake in bed at night looking at the ceiling — lower cortisol at night Stress Management
Stress Management
Lower cortisol at night — why your body can't switch off.

Tired but wired. If you wake at three and can't come down, you rarely have a sleep problem — you have a cortisol problem. Why your system won't switch off at night — and what actually helps.

H Herbert Schmidt · June 2026 · 12 min
Laboratory analysis of blood samples — blood panel vitamins diagnostics Diagnostics
Diagnostics
Blood panel & vitamins — what your results actually show.

"Within normal range" doesn't mean optimal. What a complete blood count measures, what it misses — and which values genuinely matter for high performers.

H Herbert Schmidt · June 2026 · 11 min
Physiotherapist showing back exercises Health & Prevention
Health & Prevention
Exercises for back pain — what actually works.

80% of people experience back pain at least once. Most try exercises — and notice after two weeks that nothing has changed. Here's why.

H Herbert Schmidt · May 2026 · 13 min
Doctor examining patient's back Health & Prevention
Health & Prevention
Acute back pain: what helps right now — the immediate plan.

Relieving acute back pain quickly is possible — if you know what really happens in the first 48 hours. And if you stop doing what feels right but actually makes things worse.

H Herbert Schmidt · May 2026 · 14 min
Person running up stairs — progression in training Training & Performance
Training & Performance
Progression — the most underestimated factor.

Why more training doesn't automatically make you better — and what happens when you ignore the biological law of progression.

H Herbert Schmidt · April 2026 · 12 min
Person sleeping with sleep mask — improve sleep quality Recovery
Recovery
Sleep is not a luxury. It is the prerequisite for everything else.

Sleep duration and sleep quality are two different things. Failing to separate them means you can lie in bed for nine hours — and still feel like you only got four.

H Herbert Schmidt · June 2026 · 13 min
Various dietary supplements and capsules — are dietary supplements dangerous Nutrition
Nutrition
Are dietary supplements dangerous? — what's really true.

Between miracle cure and warning, the truth usually lies in the dose. Which supplements are genuinely a risk, which are overrated — and why "natural" doesn't mean "harmless".

H Herbert Schmidt · June 2026 · 12 min