Most people think recovery is something you do. Stretching, foam rolling, but real recovery? That happens while you sleep.
Every night, somewhere between falling asleep and waking up, your body throws open the doors for one of the most powerful hormones it produces. Growth hormone. And that hormone does far more than just make you taller as a child. It repairs your muscles, burns fat, repairs tissue, and keeps your brain sharp.
The problem is that most people half sabotage this process every night without realising it.
How it works
Growth hormone is produced by your pituitary gland, a small gland in your brain. The biggest peak occurs in the first one to two hours of sleep, during the first phase of deep sleep.
Die timing is crucial. Your body doesn’t wait until you’re at some random point in your sleep. It follows a fixed schedule. If you miss that first deep sleep phase because you go to bed too late, alcohol, stress, or poor breathing, you immediately miss the biggest growth hormone surge of the night.
Research from the University of Chicago shows that sleep deprivation has a strong negative impact on your hormones, including the production of growth hormone. This hormone is produced mainly during deep sleep, so too little sleep can hinder recovery and physical development.
What growth hormone specifically does
Muscles do not repair themselves during the day while training. They repair themselves at night, driven by growth hormone. So anyone who trains hard and sleeps poorly is training for nothing. Gains are made at night or not at all.
But it goes beyond sport. Growth hormone also regulates your fat burning, your immune system, your skin quality, and your cognitive recovery. It is the hormone your body uses to repair the damage of the day. Every single day.
Without enough deep sleep, that damage keeps building up. Not dramatically from one day to the next, but slowly, insidiously. Until one morning you wake up and can no longer remember the last time you truly felt rested.
What your recovery specifically improves
Consistent bedtime. Your growth hormone peak follows your circadian rhythm. Going to bed at a different time every night disrupts that rhythm. Choose a fixed time and stick to it on weekends as well.
No alcohol before bed. Alcohol directly suppresses deep sleep. One or two glasses of wine can already significantly shorten your first deep sleep phase. Precisely the phase when your growth hormone works hardest.
Sleep cool. Your body temperature needs to drop to enter deep sleep. A cool bedroom, between 16 and 19 degrees, helps that process. The faster your body temperature drops, the faster you fall into deep sleep.
Nasal breathing. This is one that most people completely overlook. Mouth breathing during sleep increases your breathing rate and keeps your nervous system slightly active. That is exactly the opposite of what you need for deep sleep. Nasal breathing slows your breathing, lowers your heart rate, and brings your body into the restful state needed to reach those deep sleep phases.
The habit for this week
Choose one thing from the list above and do it for seven days consistent. Not all four at once. One.
The best way to start? Choose a fixed bedtime and stick to it for seven days. No exceptions at the weekend. No "back to normal tomorrow." Just the same time for seven days.
Notice what changes.
1% Better Every Night.
Guy Veeke
P.S. Nasal breathing is one of the fastest ways to improve your deep sleep. But if your nose gets blocked at night, that won’t happen naturally. Our nose strips keep your nasal passages open so your body can actually reach those deep, restorative stages of sleep.