How Alexandra Zatarain and Matteo Franceschetti, a husband-and-wife team, built a profitable $1.5 billion company on “sleep fitness.”

People hear “Eight Sleep,” and their brains go straight to a mattress cover. The real story is more personal than that. Alexandra Zatarain was losing her father to cancer, and she noticed that one of the first things his illness took away was his sleep.

That detail shaped everything that came next. Alexandra, a marketer and storyteller by training, co-founded Eight Sleep in 2014, shortly after her father passed. The loss made the mission personal and intentional. If sleep is the first place the body signals that something’s wrong, then the bed you’re already lying in could be the earliest health check you have. That’s what she and her husband and co-founder, Matteo Franceschetti, set out to build: a bed that catches what a doctor’s appointment often catches too late. 

Alexandra believes we’ll get to a point where your bed diagnoses you. As of March 2026, investors are betting on that idea at a $1.5 billion valuation, and the company is already profitable.

I’ve slept on an Eight Sleep Pod for a few months, and I sat down with Alexandra because, as a fellow Mexican-American founder working in health and tech, I’ve long admired what she’s built in a field that rarely makes room for women who look like us. Here’s how they got there, and what founders can learn from it.

Most origin stories get polished for the pitch deck, but this one is better with the rough edges left in.

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