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NextSense

3 viewers · 30d

Total raised

$16.3M

1 filing since 2024 · latest Equity filed

Cumulative raised
LAST ROUND
Equity · $16.3M
ROUNDS
1
INVESTORS
29
FOUNDED
2020
HQ
Mountain View, CA
SECTOR
Hardware
EMPLOYEES
N/A
30D VIEWERS
3

AI overview

Updated

NextSense is a Mountain View, California neurotech company that builds wireless earbuds with built-in EEG sensors to measure brain activity outside of a sleep lab. Spun out of Alphabet's X moonshot factory, where it began as an in-ear EEG investigation into human-computer interaction, the company now sells consumer Smartbuds that read brainwaves and play precisely timed audio to deepen sleep and support daytime focus. It also operates a neural data and software platform used for brain-health research, disease monitoring such as seizure detection, and drug development. NextSense raised a $16 million Series A announced in November 2025 and began shipping Smartbuds commercially in February 2026.

What sets it apart

Rather than passively tracking sleep like a wrist wearable, the earbuds read clinical-grade EEG from inside the ear in real time and close the loop with timed audio stimulation that actively alters sleep depth.

Funding history

1 round
EquityApr 15, 2024
Form D/A
+$16.3M$16.3M total

Latest SEC filings

via EDGAR · CIK 0001837154
Form D/A · Apr 15, 2024View on EDGAR

Products

1 tracked

NextSense Smartbuds

Consumer neurotech wearable

Truly wireless earbuds with clinical-grade dry-contact EEG electrodes that read brainwaves in real time and respond with timed audio. In Sleep mode they deliver gentle pink-noise pulses phase-locked to slow-wave activity to deepen restorative sleep; in Focus mode they adapt daytime audio across open-ended, Pomodoro, and alertness-aligned sessions. The companion iOS app handles sleep staging, brainwave analysis, and focus tracking with no subscription required.

  • Six clinical-grade dry-contact EEG electrodes with a specialized coating
  • 2-channel 24-bit EEG sampled at 1000 Hz
  • Closed-loop pink-noise audio pulses timed to slow-wave sleep
  • Focus mode with open-ended, Pomodoro, and alertness-aligned sessions

Links

WebsiteLinkedInSEC EDGAR filings