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Deep sleep, also known as slow-wave sleep or NREM Stage 3, is the heavy-duty restoration phase of your sleep cycle. It’s when your body goes into full-on repair mode—muscles rebuild, tissues grow, your immune system gets stronger, and your brain cleans out waste.

Backed by passionate leaders in their respective industries, Pison's neural sensors are set to change how we work, live, and play. Learn about our story from the scientists, entrepreneurs, engineers, and athletes who created it.