#43 Small Changes, Big Impact

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Six surprisingly simple actions mighty meaningfully improve your sleep, eating habits, and overall well-being—and how you can easily test them for yourself.

We begin with two sleep-related tips. First, try lowering your bedroom temperature to under 70°F. In a small controlled trial, participants who slept on a cooling mattress fell asleep faster and reported better rest.

The second tip: go to bed at the same time every night. A study in adolescents showed that consistent sleep timing improves how quickly you fall asleep, total sleep duration, and overall sleep quality.

Then we dive into three food-focused techniques. Starting meals with protein may help you feel fuller, thanks to effects on hunger-regulating hormones like ghrelin and GLP-1, as explored in this review and systematic analysis.

Next, waiting 20 minutes before going for seconds may give your brain time to register fullness, supported by a study comparing fast and slow eaters.

The fourth tip? Just stand up. There’s no formal data yet, but being upright might affect how full your stomach feels mechanically—something I noticed during long flights when a quick walk dramatically reduced my appetite.

Finally, we explore the idea of non-food “snacks” throughout your day. Evidence shows that short bursts of movement as brief as 30 seconds to 5 minutes can improve fitness, particularly in sedentary individuals. Similarly, just five minutes of breathwork has been shown to elevate mood in randomized trials.

But here’s the key: try them for yourself. In Part 2 of the episode, I guide you through using an “N of 1” approach to test each strategy. Start by measuring a baseline (using wearables, a sleep journal, or a validated sleep questionnaire). Then try one of these approaches for a few days or a week. Reassess and see what happens.

Takeaways:

Sometimes, the most powerful health strategies aren’t the hardest—they’re just the ones you haven’t tried yet.

Chapters

1. Introduction to Simple Life Changes (00:00:00)

2. Sleep Improvement: Cold Bedrooms & Consistency (00:03:40)

3. Eating Better: Protein First & Wait Time (00:07:24)

4. Stand Up Technique & Non-Food Snacks (00:11:45)

5. Testing If These Methods Work For You (00:15:25)

6. Final Thoughts & Call To Action (00:19:50)