Performance medicine and health performance should start with sleep. Dr Matt and Dr Mike bust myths on sleep with expert Dr David Garley.

This microdose episode contains teasers on key insights into sleep. For the full, beyond the limits download, go back to episode 14

Is Heart Rate Variability the most important health metric you aren't tracking correctly?

In this episode, Dr Matt and Dr Mike dive deep into the science of HRV—the ultimate window into your Autonomic Nervous System.

What is HRV? And why are so many people in the sports science world so interested in it?

Should we all be measuring our HRV? Or is "training" your HRV nothing more than a marketing myth?

In a world of endless health fads and self-help noise, it’s hard to know what to trust.

Subscribe to Beyond the Limits, our myth-busting fortnightly podcast, to get clear insights on the latest health trends, wellness fads, and performance medicine breakthroughs.

We cut through the confusion so you can be better informed and in control of your health.

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Melatonin is often considered one of the safest sedatives, and is readily available to buy in the USA.

But what is it? And is it safe, given recent research has cast doubt on this?

And could it have a role without sleep?

This is an audio-only MICRODOSE episode - for the original episode please see episode 6, published on 19 Jan 2025