Episode summary
Fat Loss Scientist: It’s Easy To Lose Weight, But Here’s Why You WON’T Do It! | Dr Andy Galpin
The Diary of a CEO
· · 2 hr 12 min · Hosts: Steven Bartlett · Guests: Andy Galpin
Summary
Dr. Andy Galpin argues that sleep problems are far more common and more dangerous than most people realize, especially sleep apnea, which he says often goes undiagnosed and can affect energy, cognition, mood, recovery, metabolic health, and long-term risk. He distinguishes between people who need to “rebuild” because something is wrong and those who want to “upgrade” performance, but warns against crossing into health anxiety or over-optimizing ordinary variation.
He lays out a practical framework for identifying sleep issues: start with validated questionnaires, then consider wearables, and for real disease, get a medical sleep study. He is positive on wearables for awareness and accountability, but says they are weak at judging deep sleep and REM. He also stresses that sleep is increasingly harmed by a brighter, noisier world, evening screen arousal, and sleeping with a partner or in a new environment.
On supplements and habits, Andy Galpin says melatonin is often overused and misused, while lower-dose melatonin can help with jet lag and circadian shifts. He is more favorable toward evidence-backed tools like magnesium, chamomile, kiwi, temperature control, and reducing environmental disruption, while emphasizing that the goal is better physiology, not obsessing over every metric.
Key takeaways
- Andy Galpin says sleep apnea is a major hidden problem, with 70% to 80% of cases undiagnosed and women especially underdiagnosed.
- He argues wearables are useful for awareness and trends, but poor at reliably measuring deep sleep and REM sleep.
- Andy Galpin says melatonin is best used for circadian reset and jet lag, not as a nightly sleeping pill, and common doses are often too high.
- He points to light, sound, screen novelty, temperature, and sleeping partner disturbance as major drivers of worse sleep in modern life.
- He says simple self-experiments and validated questionnaires are the best first steps before expensive testing or specialist care.
Notable quotes
“sleep is probably the biggest place of clinical disease that exists that no one knows about”
“70 to 80% of people who have clinical sleep apnea will go undiagnosed”
“The world is physically brighter”
“there's no free passes in physiology”
“So melatonin probably has more evidence than the rest of these things combined because it's a medicine”
How the episode opens
Everything you see in this table has a strong scientific evidence that it will help with sleep. — So, we're going to dig into all of those in great detail. — So, the first one is a really good one. Kiwis. — Kiwis.
Yeah. So, there's been good studies on them. So, if you have two to three kiwis before bed, you'll see people sleeping better. Next on our list is sleep divorce. People generally don't sleep as well when you're in the same bed as others. Next, we want this.
This is more evidence than the rest of these things combined, and it is effective. Another one to think about is sound. And — It really matters sound when you sleep.
Yeah. as much if not more of any other factor. There's also screen usage, light, your pillow and wearables.
But the other thing is we're spending more on sleep and sleep is getting worse. And for this last 20 years, I've been doing science coaching and education that enhances human performance. And I've been fortunate to work with the world's most elite athletes, entrepreneurs, leaders, and even 50% of athletes have a clinical sleep disorder.
It gets worse. 70 to 80% of people who have clinical sleep apnea will go undiagnosed. And for women, it's somewhere in the neighborhood of 90 to 95% and it is delletterious to your health because it's highly associated with long-term death risk, cognitive function, mood regulation, performance, recovery, metabolic health, and it happens for a bunch of different reasons and we can go through them, but we look at the 8 billion person population.
We need more people to pay attention to their health. And so I just want to get the best possible out of people. So this could be energy, could be metabolic, it could be cognitive function, could be muscle growth or fat loss.
From the episode’s captions: roughly the first two minutes, lightly cleaned. Keep watching on YouTube →
Topics
- sleep disorders
- melatonin
- sleep trackers and wearables
- weight loss and fat loss
- sleep apnea
Watch the episode
Summary, takeaways and quote selection by Octagon. Quotes are short excerpts; the full conversation is in the episode.
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