# Bryan Johnson's Girlfriend Tracks Female Erections with $16,000 Tech

> Bryan Johnson's girlfriend uses $16,000 tech to monitor her nighttime female erections.
- Title: Bryan Johnson's Girlfriend Tracks Female Erections with…
- Summary: Bryan Johnson's girlfriend uses $16,000 tech to monitor her nighttime female erections. Bryan Johnson's girlfriend measures her nightly female erections…
- Keywords: bryan johnson, kate tolo, female erections, techno tampon, blood flow, biohacker, news, culture, Bryan, Johnson's, Girlfriend, Tracks
- Source: VICE — https://vice.com/en/article/bryan-johnsons-girlfriend-has-a-16000-techno-tampon-to-track-her-female-erections
- Author: Ashley Fike
- Published: 2026-10-16T17:15:54+00:00
- Read time: 1 min
- Topics: bryan johnson, kate tolo, female erections, techno tampon, blood flow, biohacker, news, culture
## Bryan Johnson's Girlfriend
Kate Tolo, 30, is Bryan Johnson's girlfriend and business partner.
## Tracks Nighttime Erections
She uses a $15,723.68 tampon-shaped light sensor to measure blood flow overnight.
## Requires Laptop and Wire
The device needs a wire taped to her leg and a laptop that stays awake the whole time.
## Why It Matters
Women's nighttime erections are overlooked in research despite being a real physiological phenomenon.
## Research Gap
Only one fellowship focuses on women's sexual health out of 27 for men's sexual health.
## Key takeaway

Bryan Johnson's girlfriend measures her nightly female erections using a $16,000 device to track blood flow.