How It Works Features Detection Store Pricing Story Early Access

Live on TestFlight · Sleep Terror & Paralysis Relief

Detection
that responds.

"Zeno woke me up. Nothing else could."

Every night, millions wake up screaming, frozen, or not at all. Sleep terrors and paralysis don't respond to willpower — they respond to intervention. Zeno is the first app that detects an episode as it's happening and wakes you before it escalates.

Get Early Access See How It Works

Platform Apple Watch Ultra

Privacy On-Device

Detection Dual-Path, Real-Time

MONITORING

64RESTING

EPISODE
DETECTED

PHASE 3 · 02:14:08

PHASE 4 · WAKE

I'M AWAKE

06:42 · POST-EPISODE

87BPM RECOVERING

The Reality · 04

You already know this feeling.

You've tried everything. Nothing intervenes. White noise. Melatonin. Sleep hygiene tips. Meditation apps. None of them were built for what you experience. They track sleep — they don't respond to it. Zeno was built by someone who lived this — not a product team chasing a market. The only way it exists is because it needed to.

06:42 · POST-EPISODE

87BPM RECOVERING

01 · The Aftermath

You wake up exhausted and afraid.

The episode is over but your body hasn't caught up. The fear lingers into the next day.

Take The Tour

EPISODE
DETECTED

PHASE 3 · 02:14:08

02 · The Lock

You're conscious but can't move.

Sleep paralysis is one of the most terrifying experiences a person can have. You're awake. Your body isn't.

Take The Tour

PHASE 4 · WAKE

I'M AWAKE

03 · The Burden Lifted

No one else has to wake you.

Your partner. A family member. The people who love you shouldn't have to carry this every night. Zeno does the work they've been doing.

Take The Tour

MONITORING

64RESTING

04 · The Guardian

You're no longer afraid to sleep alone.

The anticipation was its own kind of suffering. Zeno watches the signals you can't. It changes what happens next.

Take The Tour

How It Works · 05 Steps

Three signals. One system.
One purpose.

Zeno monitors your body continuously while you sleep — not after the fact. When something goes wrong, it acts.

Wear & Sleep

Put on your Apple Watch Ultra. Start Zeno. Sleep onset is detected automatically.

Monitor

Heart rate, motion, wrist angle — tracked simultaneously across two detection paths.

Detect

Composite scoring — not a single threshold. Personalized to your body after 7 nights.

Escalate

Five haptic phases. Gentle first. Full force if needed. Your Watch speaks your name.

Wake Safe

Tap "I'm Awake." Zeno logs the episode. Record a voice journal before the memory fades.

The Product · 09 Features

Every feature exists because it was needed.

Tap any feature to read the full story behind why it was built and exactly how it works.

Zeno Core

Five-Phase Haptic Wake

Not an alarm. A calibrated escalation that pulls you out progressively — gentle pulse to full intensity. 20s per phase. Critical Alert at 120s.

Zeno Core

Adaptive Calibration

7 nights of baseline learning. Then thresholds unique to your body — not averages from someone else's data. Episode nights don't contaminate.

All Tiers

Privacy-First

Personal data stays on your device. No account required. Optional anonymous pattern sharing — always opt-in. Sensor data from the Watch stays on the Watch.

Zeno Pro

Dream Journal

Voice recording fires immediately after wake — while the dream is still raw and vivid. Tag themes. Build a picture of patterns over time.

Zeno Pro

Camera Trigger

When Zeno detects an episode, it sends a signal to Apple Shortcuts — which fires your pre-configured camera automation. Zeno never sees the footage.

Zeno Core

Siri Integration

Six voice commands built in. Start, stop, summary, emergency wake — all hands-free. Works from Apple Watch, AirPods, and iPhone.

Zeno Pro

Episode History & Insights

Full episode log. Peak windows, patterns, streaks. Calendar view. Export as PDF or CSV. The data your doctor has never had access to.

Zeno Pro+

Zeno Band

A dedicated biosensor wearable — wrist or ankle. Higher-frequency sampling. Extended overnight battery. Purpose-built for sleep detection.

Year 3+

Vision Pro Reconstruction

Every episode. Every voice journal. Every pattern. Vision Pro turns them into something you can walk through — a spatial reconstruction of your dream history.

Under the Hood · Detection

Two conditions. Two detection paths.

Sleep terror and sleep paralysis are physiological opposites. Zeno has a separate engine for each — because one set of thresholds can't catch both.

Sleep Terror Path · Elevated Activity

High-amplitude composite signal.

Sleep terrors present with surging heart rate, increased motion, and physiological stress. The terror path looks for these signals in combination — not a single threshold, but a composite pattern that mirrors what actually happens in your body.

Heart Rate

45%

Motion / Accelerometer

35%

Wrist Angle

20%

Sleep Paralysis Path · Inverse Stillness

Sustained absence of movement.

Sleep paralysis is the opposite — the body is intentionally suppressed. Heart rate stays normal. Motion goes to near zero. The paralysis path detects unusual stillness sustained over time, during a window when movement would normally be expected.

Stillness Duration

PRIMARY

Motion Threshold

0.02g

Detection Window

60s

For PTSD Sufferers

The same intervention. A fraction of the cost.

Veterans, first responders, and trauma survivors experience the same sleep disturbances — night terrors, hyperarousal, paralysis. For decades, the gold standard has been a psychiatric service dog. Most people can't afford one.

"Same intervention. Same result. A fraction of the cost. No waitlist."

Traditional Solution

$25,000

Psychiatric service dog

$15,000–$30,000 to acquire
2–3 year training waitlist
Ongoing care: food, vet, insurance
Not covered by most insurance
One dog. One person. No scale.

vs.

Zeno Core

$6.99/mo

Available tonight, on hardware you may already own

Available tonight — no waitlist
Works on Apple Watch Ultra you may already own
Scales to anyone — VA referral channel Year 2
Same core function: detect distress, wake the person
Not a medical device · Not a replacement for clinical care

Zeno Store · Ecosystem

Software today. Hardware tomorrow.

Zeno is building a full ecosystem of sleep protection products. The app is the beginning.

Available Now

Zeno App

The full Zeno experience on iPhone and Apple Watch Ultra. Real-time detection, haptic wake, Dream Journal, and adaptive calibration. Currently on TestFlight.

Free · 7-day trial

Then from $6.99/mo

Get Early Access

Coming Year 2

Zeno Band — sleep biosensor wearable, wrist and ankle form factor

Wrist Ankle

Concept render · Final ID Q3 2026

Zeno Band

A dedicated biosensor wearable purpose-built for sleep detection. Wrist and ankle form factors. Extended battery. Higher-frequency sampling. Designed for the way you actually sleep.

TBD

Hardware + Pro+ tier

Notify Me

Coming Year 4

Zeno Band Pro — clinical-grade PEMF sleep wearable, wrist and ankle form factor

Wrist Ankle

Concept render · Final ID Q3 2026

Zeno Band Pro

Clinical-grade PEMF (pulsed electromagnetic field) intervention. Targets the nervous system directly during an episode. 510(k) FDA clearance pathway. The most advanced sleep terror device ever built.

$499 + $49.99/mo

Device + subscription

Notify Me

Pricing · Detection is the product

Detection is not a feature. It's the product.

The 7-day trial lets you experience Zeno working. After that, staying protected is the only decision.

Free Trial

7 Days

No card required

Full detection — both paths
Five-phase haptic wake
Audio wake (says your name)
Sleep onset detection
Expires after 7 days

Start Free

Zeno Core

$6.99

/MO · $59.99/YR

Everything in Free Trial
Ongoing protection — forever
Adaptive personal calibration
7-day episode history
Core Siri Intents

Stay Protected

Zeno Pro

$9.99

/MO · $79.99/YR

Everything in Core
Dream Journal (voice + tags)
Camera Trigger automation
Full episode history + export
Advanced sensitivity profiles

Go Deeper

Zeno Pro+

$14.99

/MO · Year 2 unlocks Band

Everything in Pro
Zeno Band hardware integration
Vision Pro integration (Yr 3)
Location-dream correlation
Research data export

Full Ecosystem

The Founder

Built by someone who needed it.

9:41

ZENO

SLEEP TERROR & PARALYSIS RELIEF

Monitoring Active

Current Heart Rate

BPM Resting

Live Signal

7/7

Calibrated

Day Streak

Monitor

Journal

History

Settings

"I built the detection and wake system I couldn't find anywhere else. Sleep terrors and sleep paralysis aren't abstract problems for me. They're the reason I couldn't sleep without fear for years. I tried everything. Nothing responded when it mattered. So I built something that does. Zeno began as personal necessity. It became a product when I realized millions of people had no alternative either."

Watson Dhaiti

Founder & Developer · Watson Labs Technology LLC

83+

TestFlight Builds

20+

Years Lived Experience

Solo

Developer · Bootstrapped

N=1

Primary Test Subject

What's Next

The app is the beginning.

From consumer sleep protection to clinical-grade nervous system intervention.

Now · Live

TestFlight

Dual-path detection
Five-phase haptic wake
Dream Journal
Adaptive calibration
Siri App Intents

+6 Months

App Store

App Store submission
Subscription live
Clinical outreach
Marketing campaign
50K user target — Yr 1

Year 2

Zeno Band

Dedicated biosensor
Wrist + ankle form factors
VA referral channel
Android / Galaxy Watch
Series A raise

Year 3+

Platform

Vision Pro reconstruction
Location-dream correlation
Zeno Band Pro — PEMF
510(k) FDA clearance
Research transmission

Early Access

You shouldn't be afraid to fall asleep.

Join the waitlist. Be first to know when Zeno launches on the App Store. No spam — just Zeno.

You're on the list.

We'll reach out the moment Zeno launches on the App Store. No spam — just Zeno.

Apple Watch Ultra Required·Currently on TestFlight·Privacy-First

Detectionthat responds.

You already know this feeling.

You wake up exhausted and afraid.

You're conscious but can't move.

No one else has to wake you.

You're no longer afraid to sleep alone.

Three signals. One system.One purpose.

Wear & Sleep

Monitor

Detect

Escalate

Wake Safe

Every feature exists because it was needed.

Five-Phase Haptic Wake

Adaptive Calibration

Privacy-First

Dream Journal

Camera Trigger

Siri Integration

Episode History & Insights

Zeno Band

Vision Pro Reconstruction

Two conditions. Two detection paths.

High-amplitude composite signal.

Sustained absence of movement.

The same intervention. A fraction of the cost.

Software today. Hardware tomorrow.

Zeno App

Zeno Band

Zeno Band Pro

Detection is not a feature. It's the product.

Built by someone who needed it.

The app is the beginning.

TestFlight

App Store

Zeno Band

Platform

You shouldn't be afraid to fall asleep.

You're on the list.

Detection
that responds.

Three signals. One system.
One purpose.