Official accessories for the most popular sleep app
- Sleep Phaser V3 — records movement by the bed and wakes you with light
- Sleep Mask V2 — a light alarm right inside the mask
- BM2000B and BM2000D oximeters — overnight SpO2 and pulse in the app
Czech electronics and apps for sleep · since 2007
Better nights.
And in the morning, light that wakes you.
Happy Electronics designs and makes electronics for sleep, relaxation and biofeedback, and builds its own app for every device. Since 2015 we have partnered with Urbandroid, and our devices are official Sleep as Android accessories.
Noxuma Sleep: iPhone and Android · no account · your data stays on your phone
Awake · REM · light · deep sleep — lamp sunrise from 06:22, alarm window 06:30–07:00 22:30 → 07:00
- Since 2007 our own electronics
- Official accessory for Sleep as Android
- Made in Prague
- 5,000+ Noxuma downloads on Google Play
- 800+ Sleep Phaser backers on Indiegogo (2017)
Sleep
Two ways to better sleep
With the same Sleep Phaser lamp you can sleep with Sleep as Android on Android, or with our Noxuma Sleep app on iPhone and Android.
Noxuma Sleep: just a phone by the bed
- A hypnogram, snoring and night statistics in the morning
- A smart alarm in light sleep
- With Sleep Phaser, everyone at home gets their own night — up to 4 lamps
Photo: phone with Noxuma and the lamp, morning
Try Noxuma (even in your browser) | Device | Sleep as Android | Noxuma · Android | Noxuma · iPhone |
|---|---|---|---|
| Sleep Phaser V3 | yes | yes | — |
| Sleep Phaser V3, Noxuma edition | yes | yes | yes |
| Sleep Phaser V2 and older | yes | — | — |
What we make
Three areas, one company
Sleep
Nights you understand
A lamp that records movement by the bed and wakes you with light, and an app that turns the night into a clear hypnogram.
Sleep Light & sound
A mask that plays with light
A wireless mask with light programs and a light lullaby, controlled from your phone.
Light & sound Stress & biofeedback
Your body in numbers
Pulse wave and skin conductance sensors, and apps that show their data clearly and in real time.
Stress & biofeedbackSolid border = device · dashed border = app
One night with Happy
From the evening lamp to the morning summary
- 22:30
Evening
Sleep Phaser glows with warm
- 23:14
Falling asleep
The app starts recording movement and the sounds of the night.
- 00:00–06:00
Night
Light, deep and REM sleep add up to a hypnogram.
- 06:22
Sunrise
The lamp slowly brightens for 30 minutes.
- 06:52
Morning
A smart alarm in light sleep and a summary of the whole night.
Partners since 2015
With the Urbandroid team we make sleep on Android
We developed Sleep Phaser together with the Urbandroid team (Sleep as Android). Happy Electronics makes it in Prague. Our collaboration has lasted ten years and it matters to us more than any other.
Official Sleep as Android accessory
- 2015Mindroid Glasses and Sleep Mask
- 2017Sleep Phaser on Indiegogo
- 2019Sleep Phaser V2
- 2020Bluetooth Sleep Mask
- 2023Sleep Phaser V3
- 2025BM2000D oximeter for Sleep as Android
Sleep guide · 23 topics
How sleep tracking works and where its limits are
New · pre-order
Emet Wireless
A wireless skin conductance (EDA) sensor. It works with the FairStream Pulse app and with a new Happy app. Shipping in November 2026.
For business
Apps under your brand
We develop electronics, firmware and apps. We offer white-label apps with oximeters under your name. Reference: the Viktor Schiller breathing exercise app.
Work with usAbout us
Electronics for calm since 2007
We started with light-and-sound mind machines even before the company was founded. Today we design hardware, write firmware and develop apps under one roof in Prague.
- before 2007
Mind machines
Devices with light and sound.
- 2007–2013
Our own designs
Victory, Flex, our first skin conductance sensor.
- 2014–2016
Stress on the phone
StressLocator and Bluetooth oximeters.
- 2015–today
With Urbandroid
Sleep Phaser, Sleep Mask, Mindroid.
- 2026
Noxuma
Our devices on iPhone too.