Sleep, focus, energy — HÄK combines ancestral practices validated by science to fix what modern life has broken. In just minutes a day.
13 goals. One body. You pick where you start.
Better sleep unlocks energy. Energy calms stress. Stress drives skin, weight, immunity. Nothing is isolated — your body is a system. No need to tackle it all: one well-placed move sets off the rest. HÄK tells you which one.
Three biological levers. Millennia of wisdom. Decades of research.
Forge • Armor • Fire
The art of controlled stress
Cold. Effort. Deprivation. Your body adapts and grows stronger. That's hormesis: what doesn't kill you makes you antifragile.
Elixir • Gold • Fuel
The art of good input
Sunlight. Pure water. Dense foods. You're literally built from what you put in your body. Garbage in, garbage out.
Silence • Depth • Reset
The art of regeneration
Breathing. Sleep. Presence. The parasympathetic system repairs, cleans, rebuilds. Without it, you're burning the candle at both ends.
Every HÄK practice passes two tests. Both are mandatory.
They already did it
Samurai, Stoics, Shamans, Vikings... If a practice survived millennia, it's not by chance.
Nordic ice baths • Spiritual fasting • Yogic breathing
Now we know why
PubMed, meta-analyses, clinical trials. Every mechanism is sourced and explained. No pseudo-science.
Peer-reviewed studies • Evidence levels • Detailed mechanisms
Not a one-shot. A method designed to anchor lasting change.
Understand the why
Every practice comes with its history, science and mechanisms. You don't follow a blind protocol — you know exactly why it works.
Follow the guided protocol
The app guides you step by step with immersive widgets. Timer, breathing, checklist — each session is designed to be followed, not interpreted.
Anchor the routine
Add practices to your daily routine. Get reminders. Track your progress and streaks. Repetition transforms knowledge into instinct.
Users who transformed their daily lives with HÄK protocols.
I finally stopped tossing and turning for 2 hours. The Human Hibernation session made me rediscover what real restorative sleep feels like.
I used to drink 5 coffees a day to keep going. Since cold showers and breathing exercises, I'm down to 1 max. My energy stays stable all day.
Between meetings and emergencies, I was in survival mode. The Emergency Brake became my sacred ritual. 5 minutes that change my whole day.
The body already knows what to do.
It's just waiting for the signal.
We have forgotten.
Not lost. Forgotten.
Cold awakens.
Deprivation builds.
Calm repairs.
Understanding is already beginning.
Repeating is transforming.
Knowledge becomes the act. The act becomes instinct.
HÄK is not a method.
It's a reminder.
Explore the science behind ancestral practices and discover how to optimize your biology.
It's 2 AM and your brain refuses to shut down. Discover the biological mechanisms of overthinking and how modern science validates the use of ancestral plants to activate our neural brake: GABA.
In the face of modern chaos, our brains are wired for hyper-vigilance. Discover how the science of neuroplasticity and ancient wisdom can rewire your mind for absolute emotional resilience.
Mid-morning crashes, uncontrollable cravings, brain fog... What if your blood sugar was to blame? Dive into the mechanics of metabolic health and discover how a simple ancestral habit can transform your daily energy.
Forget quick fixes and caffeine. True energy is born deep within our cells, inside the mitochondria. Dive into the science of fulvic acid and ancient earth remedies.
Modern humans spend their lives fighting gravity. What if the secret to optimal brain health and a calm nervous system lies in the simple act of flipping our physical perspective upside down?
Plants cannot run from predators, so they developed a formidable chemical arsenal. Surprisingly, these same defensive toxins, when prepared using ancestral methods, hold the key to our longevity, muscle mass, and metabolic health.
Choose your first Session. Feel the difference tonight.
Download on theApp Store Coming soon onGoogle PlayNo credit card. Basic sessions free forever.