SNOO (Happiest Baby)
Robotic bassinet that rocks and plays white noise in response to crying.
- What it is
- Robotic bassinet that rocks and plays white noise in response to crying.
- Best for
- Automatic infant soothing · Baby sleep tracking · Back sleeping position maintenance
- Platforms
- iOS · Android
Strengths
- Rocks and plays white noise in response to crying
- Rental available
Weak points
- High price
- Must follow safe sleep guidelines
What is SNOO (Happiest Baby)?
The SNOO Smart Sleeper is a motorized bassinet for infants, developed by pediatrician Harvey Karp in collaboration with designer Yves Behar. This device integrates sensors and algorithms to detect infant crying and movement to automatically adjust the level of rocking and the volume of white noise emitted.
At a glance
- Type
- Baby sleep tech
- Platforms
- iOS, Android
- Subscription required
- No
- Free trial
- No
- French
- No
- Availability
- United States
- Uses AI
- Yes
- Evidence level
- Medical device
This information is indicative and may change: only the publisher's own website is authoritative.
What the AI does: The device uses a proprietary algorithm to detect infant crying and automatically adjust motion and white noise levels to soothe the infant.
Who uses SNOO (Happiest Baby)?
Parents of infants
Intended for families seeking technology-assisted sleep environments for newborns up to approximately six months of age.
Key features
Adaptive response
The bassinet increases the intensity of motion and sound in response to detected crying to attempt to soothe the infant.
Integrated safety
The system utilizes a specific swaddle that attaches to the bassinet to keep the infant on their back while sleeping.
Mobile application
Allows remote control of settings, customization of motion levels, and access to sleep logs.
Pricing
The SNOO is available for purchase at US$1,995 or for rent starting at US$159 per month in the United States. No official Canadian pricing is published.
Pricing recorded on November 1, 2026. Excluding taxes and shipping. Prices change: the amount that applies is the one shown by the publisher's own checkout.
New purchase
US$1,995.00
Includes a free premium subscription to the application.
- Smart bassinet
- 1-year limited warranty
- Access to basic application features
Rental
Starting at US$159.00 / month
Includes a free premium subscription for the duration of the rental.
- Smart bassinet
- Included accessories
- Access to basic application features
New purchases include access to premium features for a limited time, while renting offers an alternative for temporary use during the first months of infancy.
Use cases
Nighttime soothing
The bassinet reacts to crying by simulating motion and white noise.
Outcome: Potential reduction in crying and assistance in returning to sleep.
Habit tracking
The application records sleep periods and bassinet interventions.
Outcome: Visualization of sleep cycles via a daily log.
How it works in practice
Daily use
- 1Place the baby in the specific swaddle
- 2Attach the swaddle wings to the bassinet clips
- 3Activate the rocking mode via the button or the application
In your daily routine
Connectivity
Requires a Wi-Fi connection for the use of advanced features via the mobile application on iOS or Android.
Known limits
Accessory dependence
Optimal operation of the motion sensors requires the exclusive use of the brand's swaddles.
Premium features
Certain advanced application options are subject to a paid monthly subscription.
Consider something else if
- Standard non-motorized bassinets
- Standalone white noise machines
- Non-motion sleep monitors
How to use it
Installation
The bassinet must be placed on a flat and stable surface, away from any cords or hanging objects.
Configuration
Connecting to the mobile application allows users to set sensitivity parameters and customize motion levels.
Frequently asked questions
Does the SNOO work without Wi-Fi?+
Yes, basic rocking and white noise functions can be activated manually without an internet connection.
Until what age can the SNOO be used?+
Use is recommended until the baby begins to get on their hands and knees or reaches approximately six months.
Is the SNOO available in French?+
The application interface and official support materials are primarily in English.
Are the swaddles mandatory?+
Yes, they are required to secure the baby to the bassinet and ensure back positioning.
Can the SNOO be purchased used?+
It is possible to purchase used units, but certain software features may require a subscription.
Sources
Evidence level shown: Medical device
The SNOO received FDA De Novo authorization as a Class II medical device for maintaining the back-sleeping position.
About this product
Background on the approach
General references on the category or technology: they do not cover this specific product.
These references cover the approach or technology, not an evaluation of the product by us. None of these links is an affiliate link. Read our method.
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