Lenny Rachitsky: uncertainty

Transcript context

…Yeah, so Eight Sleep is a smart mattress company. They're on their third or fourth rev now, but it's like a Tempur-Pedic mattress, or you can put their cover on any mattress, but it has a cover that has little tubes of water, and then it has a little computer thing and you fill with water and then an app. And basically what you do is you program it and it learns, it has sensors, it can measure your heart rate, your HRV, body temperature, all that, but you're basically trying to program a temperature curve to help you maximize your kind of REM sleep and deep sleep and get more value out of the sleep that you do have. And so for me, it's super cool early for deep sleep, and then it warms you up as you want to wake up, which is... or an alarm and all that. But it's back to my thing about wanting to show up with the right mindset and energy and aliveness. Having really high quality sleep has been a really key part of that, is like if I don't sleep well, I didn't get enough sleep or didn't sleep well, you're already starting off on a bad foot. So yeah, if you haven't checked out Eight Sleep, great product. No endorsement fee for me. What's also cool about it is it tracks your sleep. It gives you all these stats. Instead of wearing a ring, and it gives you all these stats about your sleep quality. And there's this guy, Brian Johnson, I don't know if you follow him, he's like this guy that's trying to stay alive as long as possible, and he had a perfect sleep score for six months in a row to set the record. Wow.…

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