Fitt Insider 320. Tim Rosa, CEO of Somnee
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Jan 5, 2026 Tim Rosa, CEO of Somnee and former Fitbit leader, builds a clinical-grade EEG headband for better sleep. He discusses EEG-driven neurostimulation, 15-minute sessions vs all-night tracking, clinical validation and FDA steps. Tim also covers traction with NBA and elite athletes, and lessons from scaling Fitbit for mass-market sleep tech.
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From Personal Insomnia To Leading Somnee
- Tim Rosa discovered the original neurostimulation device while struggling with adult insomnia and fell asleep on his second session.
- He joined the startup, redesigned the consumer experience, and launched Somnee 2.0 after two years of product and brand work.
Closed Loop EEG Driven Neurostimulation
- Somnee uses a 15-minute EEG headband session to map the frontal cortex, deliver personalized tACS neurostimulation, then record post-stimulation EEG.
- That closed-loop approach (diagnostic → intervention → verification) is enabled by clinical-grade EEG and AI-driven models.
Faster Sleep And Fewer Night Wake Ups
- Somnee improves both sleep onset and maintenance, cutting time-to-sleep roughly in half and reducing mid-night wake-ups by over 35%.
- Users can use 15-minute sessions or wear the headband all night to collect clinical-grade sleep stage data unavailable from wrist or mattress sensors.