Friday, September 18, 2026
My friend Juan couldn't lose his belly fat until he did this
Imagine Juan: he trains five days a week, eats reasonably well, and has had the same belly for two years.
He counts calories, tries fasting, adds cardio. Nothing moves.
There is one variable he rarely checks: he sleeps five or six hours on weekdays and makes up for it on Saturday.
In a controlled trial from the Mayo Clinic, twelve young, healthy adults without obesity lived for three weeks as inpatients with food available ad libitum.
Each went through two phases in random order: fourteen days with four hours of sleep and fourteen with nine.
Sleeping little, they ate more, expended the same amount of energy, and gained more weight. Total body fat did not change, but abdominal fat did, including the visceral fat that surrounds the organs.
It is a study of twelve people, almost all men, and only two weeks long. It doesn't say what happens after years of sleeping poorly or how much is reversed when sleep is recovered.
But it points to something uncomfortable: sleeping little doesn't just make you eat more, it also seems to direct fat toward the area that matters most for health.
It is not always a lack of discipline. Abdominal fat responds to more things than just the plate and the gym.
If you regularly sleep little, sleep may be the lever you are missing before cutting your diet again.
Start with what you can control: the time you wake up and the time you turn off the light.
The belly is not always lost in the gym. Sometimes it is lost in bed.
Your 1% improvement today.
Set your wake-up time for the next seven days, including the weekend, and move your bedtime up by twenty minutes. One single variable, seven days.
This is what I cover in the Longevity Workshop and Private Longevity WhatsApp Group: In the Longevity Workshop, I teach you how to regulate your sleep, and in the WhatsApp group, I accompany you for those seven days by setting your wake-up time.
Remember that I am now selling only ONE access to the Longevity Workshop and Private Longevity WhatsApp Group per day.
The price is set by a Dutch auction.
It goes down throughout the day.
→ See the current price of the Longevity Workshop and Private Longevity WhatsApp Group