If you wake up at the same time every night and assume something is wrong with you, the science says otherwise. Here's how sleep cycles actually work and why that 2am wake up might be the most normal thing happening in your night.

We're told to get 8 uninterrupted hours every night, then made to feel broken when we can't. The research on how humans actually slept, both historically and today, tells a very different story.

Your diet shapes how well you sleep. The standard American diet, high in sugar and refined carbs, keeps insulin elevated and disrupts circadian rhythm, leading to restless nights. A low-carb or ketogenic diet stabilizes blood sugar, lowers inflammation, and supports deeper, more restorative sleep. Learn how metabolic health and diet quality directly influence the way you rest and recover.