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Gyroscope Sleep

Your nights, measured.

Bedtime, wake time, deep sleep, REM sleep, naps, wrist temperature, breathing rate, sleep oxygen, and your last food and caffeine times are tracked automatically.

We spend nearly a third of our lives asleep. For an average person, that is 25 years or more. Almost nobody can say what happened during those hours, or whether their nights are getting better or worse.

Now you can. Gyroscope turns every night into something you can read: when you fell asleep, how deep you went, how your heart recovered, and what your habits did to all of it.

Even a small improvement in sleep changes everything else. Better health. Steadier weight. Higher mood and sharper focus. More patience for the people around you. So much hinges on sleep.

Now you can see how, and why.

The Score

What your sleep score is made of

Your nightly 0-100 Sleep Score is built from HRV, resting heart rate, and sleep duration, each scored against your own baseline.

  • HRV

    Compared with your own history as part of the nightly score.

  • Resting heart rate

    Scored against the baseline Gyroscope learns from your history.

  • Sleep duration

    Your nightly duration compared with your personal baseline.

The Sleep Score screen in the Gyroscope app
Your nightly score and the signals behind it.

The Research

What the science actually shows

Chart showing the change in daily energy intake after sleep extension
Sleep extension reduced daily energy intake in a randomized clinical trial.
Chart showing relative mortality risk by nighttime sleep duration
Relative mortality risk was lowest around seven hours in this meta-analysis.

“Every morning I am reviewing my sleep score in Gyroscope. I have already made several connections between my behavior and resting heart rate and peak HRV.”

Timo, Gyroscope member

Your Devices

Works with what you already wear

  • Apple Health
  • Apple Watch
  • Oura
  • Whoop
  • Garmin
  • Fitbit

Gyroscope merges data from every source into one timeline, deduplicated against your primary device.

Apple Health is the primary source, and Oura, Whoop, Garmin, and Fitbit all connect directly.

The Coach

An AI coach with real tool access

It reads your food, sleep, weight and workout history, blood levels, and metric trends. It can message you, open topic threads, assign Labs habits, and build custom meditations.

A written sleep handbook guides its coaching, including 7.5+ hours in bed, earlier screen cutoffs, and caffeine before early afternoon.

Members

What members say

“I have suffered with severe insomnia and Gyroscope sleep has helped me in keeping my hours accountable.”

Jamie Rumson

“I use several apps to track sleep and recovery. Gyroscope puts them all in one place to see the big picture.”

Elaine Mohr

“Gyroscope is my virtual assistant for my sleep, nutrition, stress, and recovery. I trust it to keep track of the daily details, so I worry less and am more productive.”

Eric

Start measuring tonight.