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Join the Founder's Series · Lifetime App Included

Better sleep for growing minds

Nucu tracks sleep, and bedroom environment. No cameras, No wearables, Nothing to charge. Backed by the founding team of Oura.
Join the Founder's Series

Includes free lifetime app subscription,
a benefit exclusive to Founder's Series.

You can’t improve what
you can’t see.

Up to 45% of school-aged kids struggle with sleep. While adult sleep tracking has evolved for years, children's sleep has remained a mystery, until now. Nucu helps parents understand what happens overnight with real data, not guesswork.

Hidden sleep patterns

Discover the small signals behind restless nights, mood changes, and daily energy.

From guessing to knowing

Understand your child’s sleep through objective insights — without disturbing their natural routine.

Designed for growing minds

Science-backed tracking created specifically for kids and teens aged 4–18.

Built with the minds behind the world’s leading wellness technology.

Nucu brings together sleep scientists, biosignal experts, and pioneers behind products trusted by millions of families.

Scientific advisors

Guided by leading sleep scientists, child health specialists, and researchers to ensure every insight is meaningful and accurate.

Years of experience

Decades of experience in biosignals and wellness innovation, from the teams behind Polar and Oura.

ŌURA expertise

Developed with support from experts who helped shape modern sleep technology and understand what truly matters.

Trusted by experts. recognized by leaders

FITTInsider 2026 Scouting Report

Polar And Oura Alumni

Better sleep supports every part of growing up.

Healthy sleep helps children and teens feel, learn, and recover better every day.

Resilience & Positive Mindset

Better sleep helps support emotional balance, mood, and the ability to handle everyday challenges.

Improved Cognitive Performance

Quality sleep supports focus, memory, learning, and better academic performance.

Recovery & Immune Support

Better rest helps the body recover from active days, sports, and supports healthy immune function.

Nucu Sleep Tracker

The first contactless sleep platform designed for growing minds, ages 4–18.

  • Ultra-thin sensor pad
  • Smart hub
  • No cameras. No wearables.
€299 Join the Founder's Series

Real feedback from our beta tester families

Before Nucu, we could only guess as to what caused a good or a bad night. Now, we know what a truly good night looks like for our child.

Juho, Juho, Father

The sleep duration of our son was increased by one hour per night, all thanks to the sleeping environment improvements directed by Nucu

Tuomas Tuomas Father

Nucu provides an objective new level of awareness of our kids' sleep.

Katja Katja Mother

Better sleep.
Stronger on game day.

Join the Founder's Series €299 Sensor Bundle · Lifetime App Access