u/simoncRe

10 Years of Sleep Data: What Can We Uncover?

In February 2016, I opened an app called SleepCycle for the first time. Since then, every night, my phone has lain quietly by my bedside, recording everything about my sleep. Ten years later, these numbers had accumulated into a rich personal archive — and I finally decided to dig in.

The analysis was done with the help of AI tools, but the real value is the data itself: 3,656 nights of sleep patterns across a decade of life changes.