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NextSense

Mountain View, CA

  • Brain-computer interfaces
  • EEG and neural monitoring
  • Wearables

NextSense is a neurotechnology and digital health company developing Smartbuds, wireless earbuds with clinical-grade in-ear EEG sensors for real-time sleep monitoring and brain-responsive audio stimulation. Its technology is designed to deepen restorative sleep at night and support adaptive focus sessions during the day, making brain-sensing technology accessible through a consumer wearable.

What makes NextSense distinct

  1. 01Uses in-ear EEG to read brain activity directly rather than inferring sleep only from movement or heart-rate signals.
  2. 02Delivers personalized, EEG-guided sound pulses intended to enhance slow-wave sleep in real time.
  3. 03Combines sleep enhancement and daytime Focus Mode in one wearable product.
  4. 04Uses low-profile earbuds with multiple tip and wing sizes for overnight comfort, including for side sleepers.
  5. 05Draws on expertise spanning neuroscience, sleep medicine, bioengineering, clinical research, and brain health.

Technology & products

  • Smartbuds with clinical-grade in-ear electroencephalography.
  • EEG-guided auditory stimulation using gentle pink-noise pulses.
  • Real-time sleep-stage detection and brain-responsive sleep optimization.
  • Focus Mode with adaptive audio, Pomodoro and open-ended sessions, and alertness-aware scheduling.
  • Six dry-contact surface electrodes with Tecticoat positioned across the ear canal, concha cavum, and antitragus.
  • Two 24-bit EEG channels sampled at 1,000 Hz, combined with six-axis accelerometer and gyroscope sensing.