Marketing & Data

Hari Jimenez
4 min read
What Is a Bell Curve? Explained With Five Years of My Whoop HRV
1,888 nights of my heart rate variability, one shape: what a bell curve is and how to read one.

Hari Jimenez
4 min read
The 68-95-99.7 Rule: Does My Body Follow It? Testing Five Years of Whoop Data
The most famous rule of thumb in statistics, tested against six of my Whoop metrics. One passes almost perfectly.

Hari Jimenez
3 min read
Does Where I Live Change How I Recover? Five Years of Whoop Data Across 8 Places
Five years of Whoop data, eight places: where I recovered best, slept worst and pushed hardest.

Hari Jimenez
5 min read
What are Z-scores? A simple statistical framework for digital marketing.
The statistical framework that helped scale revenue over 51.4% for a 7-figure business.

Hari Jimenez
5 min read
Did sleeping earlier improve my health? A Data Project using Whoop
Three years of Whoop data, Z-scores, and one revolutionary experiment: going to bed early.