Our Journey to Better sleep

why we exist

At Tone, our mission is to help people live with more energy, joy, and purpose by addressing one of the most fundamental aspects of well-being: sleep. In today’s fast-paced world, chronic exhaustion is a widespread issue, leading to stress, burnout, and a loss of connection to ourselves and others. That’s why we're building innovative, science-backed products that restore balance and vitality to everyday life.

rooted in Innovation, Integrity, and Impact

We’re driven by a mission to empower individuals through high-quality, scientifically-backed sleep technology that respects personal privacy and promotes health.

privacy policy
recent studies
assessing ear eeg quality revolutionizing sleep monitoring digital sleep measurement

meet the minds behind tone

Our team of sleep scientists, technologists, and wellness advocates are dedicated to developing products that help you live better by sleeping better.

Jonathan Berent

Founder & CEO

Caitlin Shure

Head of Product & Marketing

John Horstmann

Sr. Brand Manager

Duy Phan

Vice President of Engineering

Greg McNamara

Head of Design

Akshay Paul

Head of Hardware & Materials

Eric Bouchard

Head of Software

Konstantin Borodin

Director of Clinical Operations

Robert Thomas

Head of Audio Experience

Jonathan Berent

Founder & CEO

Caitlin Shure

Head of Product & Marketing

John Horstmann

Sr. Brand Manager

Duy Phan

Vice President of Engineering

Greg McNamara

Head of Design

Akshay Paul

Head of Hardware & Materials

Eric Bouchard

Head of Software

Konstantin Borodin

Director of Clinical Operations

Robert Thomas

Head of Audio Experience

Jonathan Berent

Founder & CEO

Caitlin Shure

Head of Product & Marketing

John Horstmann

Sr. Brand Manager

Duy Phan

Vice President of Engineering

Greg McNamara

Head of Design

Akshay Paul

Head of Hardware & Materials

Eric Bouchard

Head of Software

Konstantin Borodin

Director of Clinical Operations

Robert Thomas

Head of Audio Experience

Jonathan Berent

Founder & CEO

Caitlin Shure

Head of Product & Marketing

John Horstmann

Sr. Brand Manager

Duy Phan

Vice President of Engineering

Greg McNamara

Head of Design

Akshay Paul

Head of Hardware & Materials

Eric Bouchard

Head of Software

Konstantin Borodin

Director of Clinical Operations

Robert Thomas

Head of Audio Experience

Jonathan Berent

Founder & CEO

Caitlin Shure

Head of Product & Marketing

John Horstmann

Sr. Brand Manager

Duy Phan

Vice President of Engineering

Greg McNamara

Head of Design

Akshay Paul

Head of Hardware & Materials

Eric Bouchard

Head of Software

Konstantin Borodin

Director of Clinical Operations

Robert Thomas

Head of Audio Experience

A Revolution 100 Years in the Making

1924

Hans Berger's First EEG Recording, Alpha Waves Identified

German psychiatrist Hans Berger records the first human EEG, identifying alpha waves (8-12 Hz).

1934

Validation of EEG and Identification of Beta Waves

Edgar Adrian and Brian Matthews confirm Berger’s findings and identify beta waves (13-30 Hz).

1957

Discovery of Sleep Stages via EEG

Nathaniel Kleitman and Eugene Aserinsky use EEG to identify distinct sleep stages based on different brainwave patterns, including REM sleep.

1960s

Development of Neurofeedback

Joe Kamiya demonstrates that individuals can learn to control their brainwaves through real-time EEG feedback, laying the groundwork for neurofeedback therapy.

1968

Early Consumer EEG Devices

Crown Electronics releases the first consumer alpha wave monitor, a rudimentary device marketed to help users relax by monitoring their alpha brainwaves.

1969

Advancement in EEG Data Processing

Walter Freeman introduces computerized EEG analysis, enabling more sophisticated and large-scale processing of EEG data.

1988

Brain-Computer Interfaces (BCIs) Conceptualized

Jacques Vidal coins the term Brain-Computer Interface (BCI) and publishes foundational research.

2010s

Rise of Digital Consumer EEG

New consumer EEG devices integrate with smartphones, allowing users to track brain activity in real-time via mobile apps.

2024

Introducing Tone: The World’s First Brain-Responsive Earbuds

NextSense builds Tone, the smartbud platform that helps people sleep better and focus via audio that responds to brainwave data in real-time.

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We are passionate about mental privacy

That’s why we never sell, share, or use your data without your explicit and enthusiastic consent. We promise to protect your biological information through a combination of ethical principles and technological safeguards. Here’s how we do it:

You Own Your Brain Data

Your brain data belongs to you; and you control how it’s used. At any time, you can view what data we collect and delete your data .

Data Sharing Is Off By Default, Period

We never collect data without your explicit consent, and all research participation is entirely voluntary with clear opt-in.

Data Minimization

We collect only the data essential to delivering a tailored and optimized experience to our users.

Encryption and Anonymization

Your data is protected with encryption during transfer and storage. We anonymize your data any time it leaves your device. 

Secure Storage

We store your data on secure, access-controlled servers with strict security protocols.

Commitment to Neuroethics

We consult with leaders in the neuroethics community to remain at the forefront of best practices in this domain.

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