This Is What Sleeping on the Left Side Does for Your Brain, Stomach & Glymphatic Health

Final Thoughts

You don’t need a magic pill to support your brain and digestion.

Sometimes, the most powerful changes are the simplest — like which side you sleep on.

While sleeping on the left side isn’t a cure-all, growing evidence suggests it may:

So if you’re looking for a small, science-backed upgrade to your sleep routine…
try rolling to the left.

Because true wellness isn’t just about hours logged —
it’s about how your body rests, repairs, and renews.

And that starts with the way you lie down.