My 10-10-10 rule to set up your foundation for 90 minutes of deep sleep
beyondproductivity.substack.com
To set your brain up for the 90 minutes of deep sleep you need each night, the most important step is to tell it when it's nighttime. Since our brain sits inside our skull (where it is always dark), there is only one way to do that. That way goes through our eyes, and it involves light. As it turns out, our eyes are a part of our brain – the only one that is located outside of our skull, that is.
My 10-10-10 rule to set up your foundation for 90 minutes of deep sleep
My 10-10-10 rule to set up your foundation…
My 10-10-10 rule to set up your foundation for 90 minutes of deep sleep
To set your brain up for the 90 minutes of deep sleep you need each night, the most important step is to tell it when it's nighttime. Since our brain sits inside our skull (where it is always dark), there is only one way to do that. That way goes through our eyes, and it involves light. As it turns out, our eyes are a part of our brain – the only one that is located outside of our skull, that is.