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3 Simple Ways to Improve Your Sleep If you want to improve your sleep and feel more rested, there are some practical ways to go about it -- ways I call the 'Levers of Sleep.'

By James Clear

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Most people aren't getting enough sleep, plain and simple. But—and this is the important thing to realize—we don't recognize that we are sleep deprived.

In my comprehensive article on the science of sleep, The Beginner's Guide to Overcoming Sleep Deprivation, I covered this problem, discussed how sleep works, and shared a variety of practical ways to improve the quality of your sleep. If you're looking for a primer on the science of how to sleep better, I suggest reading that article.

However, if you want to improve your sleep, there are actually some very simple and practical ways to go about it. I call these strategies the 3 Levers of Sleep.

Related: How Habits Shape Your Health, Happiness and Wealth

Here's how they work…

The 3 Levers of Sleep

If you want to improve the quality of your sleep and boost your performance there are 3 levers you can "pull" to give yourself a boost.

  1. Intensity
  2. Timing
  3. Duration

Intensity refers to how well you sleep. As I described in detail in my previous sleep article, there are different phases of sleep. Two of these phases are particularly important: Slow wave sleep (also known as deep sleep) and REM sleep. The percentage of sleeping time you spend in these two phases largely determines the quality of your sleep each night.

Timing refers to when you go to sleep. What time do you go to bed? This factor is important for two reasons. First, if you get in bed around the same time each night, it is easier for your body to develop good sleep habits. Second, the time you go to sleep should be in accordance with your circadian rhythm, which I also describe in detail in my previous sleep article.

Duration refers to how long you sleep. This one is simple: how much time do you spend sleeping each night? 6 hours? 8 hours? It can be easy to convince yourself that duration isn't very important, but it is critical to your growth, performance, and recovery. Professional athletes often sleep over 10 hours per night. If you're taxing your body and mind, then duration is crucial for you as well.

Related: 3 Simple Ways to Make Exercise a Habit

How to Sleep Better

How can you use these 3 levers to improve your sleep?

When it comes to intensity, the truth is that there isn't much you can do. Your body largely manages the intensity of your sleep cycle (how much time you spend in slow wave sleep and REM sleep) for you. It adjusts automatically based on what you need and how much time you are spending asleep. Exercising consistently and getting proper nutrition will help, but these actions only indirectly improve sleep intensity. [3]

This is actually good news because it simplifies things for you. Because your body manages the quality of your sleep on its own, you only need to focus on two factors: timing (when you go to bed) and duration (how long you're in bed).

If we make another assumption, then we can simplify the situation even further. That assumption is this: You wake up at approximately the same time each day.

If you wake up at about the same time each day, then your sleep duration is basically determined by when you go to bed. Generally speaking, if you get into bed earlier, then you'll end up sleeping more. Improve the timing and you'll improve the duration as well.

Related: Why You Should Measure Backward, Not Forward

And that brings us to this practical punchline…

Master Your Power Down Routine

From a practical application standpoint timing is perhaps the most important of the 3 levers of sleep. The intensity of your sleep is managed automatically by your body. The duration of your sleep is largely dependent on when you get into bed (assuming you wake up around the same time each morning). And that means getting to bed at an earlier, more consistent time is critical for improving the quality and duration of your sleep.

For more ideas on how to optimize your pre-bedtime routine, read my Beginner's Guide to Sleep and my free habits guide, Transform Your Habits.

A version of this article first published on JamesClear.com. For useful ideas on improving your mental and physical performance, join his free weekly newsletter.

James Clear

Writer, Entrepreneur and Behavior Science Expert

James Clear is a writer and speaker focused on habits, decision making, and continuous improvement. He is the author of the no. 1 New York Times bestseller, Atomic Habits. The book has sold over 5 million copies worldwide and has been translated into more than 50 languages.

Clear is a regular speaker at Fortune 500 companies and his work has been featured in places like Time magazine, the New York Times, the Wall Street Journal and on CBS This Morning. His popular "3-2-1" email newsletter is sent out each week to more than 1 million subscribers. You can learn more and sign up at jamesclear.com.

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