82% saw deeper sleep with Helix
In a Helix study, 82% of participants reported an increase in their deep sleep after switching to a Helix mattress.
Snapshot · The Diary Of A CEO with Steven Bartlett
Most Replayed Moment: The Mid-Year Reset - Atomic Habits Author On How To Get Back On Track
Explore episode
Jul 3, 2026
Where this was said
Intro & Helix Sponsor Read
At 0:43 · chapter starts 0:00
The episode opens not with pleasantries but with a claim: sleep is the single biggest positive investment you can make in your own performance, a view Steven Bartlett says has been endorsed by every leading expert he's hosted, including Matthew Walker. The argument is deployed as a natural lead-in to the episode's first sponsor, Helix. Bartlett shares that he sent a mattress to a team member named Juan who travels frequently, and that Juan reported the best sleep of his life. The Helix study figure — 82% of participants saw an increase in deep sleep — is dropped as data backing. The segment closes with a 27% discount code and a 120-night trial offer at helixsleep.com/diary, setting up the episode content proper.
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