---
title: 'lower your heart rate before sleep'
source: 'https://youtube.com/watch?v=dKqHjzgClR0'
video_id: 'dKqHjzgClR0'
date: 2026-09-18
duration_sec: 76
channel: 'Bryan Johnson'
---

# lower your heart rate before sleep

> Source: [lower your heart rate before sleep](https://youtube.com/watch?v=dKqHjzgClR0)

## Summary

The video discusses the importance of monitoring heart rate before bed as a key biomarker for overall health and sleep quality. It explains how a lower resting heart rate improves sleep, which in turn boosts willpower and supports healthier lifestyle choices.

### Key Points

- **Heart Rate as a Key Biomarker** [00:00] — The speaker considers heart rate before bed the most useful biomarker, and it's free to check with a wearable device.
- **How to Measure and Set Goals** [00:12] — Lie down, take deep breaths, and check your heart rate. Set a goal to lower it, e.g., from 60 to 55 beats per minute over a month.
- **Timing Your Last Meal** [00:26] — Have your final meal four hours before bed and avoid snacks afterward to keep your heart rate low before sleep.
- **Impact of Heart Rate on Sleep** [00:38] — An elevated heart rate before bed wrecks sleep quality, which then affects willpower the next day.
- **Sleep and Food Choices** [00:51] — Poor sleep makes you 90% more likely to choose unhealthy foods like donuts or croissants for breakfast.
- **Positive Loop of Sleep and Willpower** [01:03] — Good sleep increases willpower, leading to better food choices and exercise, which further improves sleep and health.

### Conclusion

The core takeaway is that sleep quality, driven by a low pre-bed heart rate, is foundational for willpower and healthy habits. Simple steps like timing meals and monitoring heart rate can create a positive feedback loop for overall well-being.

## Transcript

The thing I care about the most is what is my heart rate before bed. It is like the most useful biomarker. And it's so easy because it's free. So if you have a wearable, you can just pull up your phone,
you lay down on your bed, take a few deep breaths, and you calm yourself down, and then you see a number. Let's say it's like 55 beats a minute or 60. Your goal in life now is to lower your heart rate. So you say you start off at 60 and a month from now be at 55.
And so the way you do that, one, is you have your final meal of the day four hours before bed. Yeah, I know, I know, I hear you. And no snacks? No snacks, no food. So if your bedtime's at 10,
at 6 p.m., you're done. So when you increase your heart rate before bed, it wrecks your sleep. Yes. When you don't sleep well, your willpower falls off a cliff. So the next morning,
when you're trying to decide do you eat the croissant or the donut for breakfast or not, if you haven't slept well, you're like 90% more likely to eat the donut or the croissant. Wow. If you slept well, you have a little juice in the system.
You're like, you know what? No, it's not good for me. And I'm going to exercise, which then also increases your willpower. So you get this really positive loop. So all starts with sleep and sleep is determined by your heart rate.