Reviews in this set show two distinct signals. A small number of parents (for example review 9108) report meaningful sleep improvements and praise product features and company resources. However, most recent reviews describe recurring problems: product malfunctions or clip/sensor shutdowns (see tp_6824d72c79109945239d53e4), poor or slow customer support responses (see tp_68600768e4b8c86d7eb6b6e6), and disputes over rental/refund or subscription terms. Several reviews also allege insensitive communication in a specific high-profile customer case; these complaints are repeated across multiple entries. If you’re considering Happiest Baby, review warranty, rental/return terms, and subscription requirements carefully and weigh occasional positive sleep outcomes against the frequency of service and reliability complaints reported here.
Examples from available reviews (Sep 2022 – Feb 2026).
The SNOO improved my baby's sleep with helpful safety and features.
“it has been a game changer for my little one's sleeping habits.”
SNOO frequently shuts off unexpectedly, disrupting infant sleep and raising safety concerns.
“frequently shuts off unexpectedly during use”
Customer service refused phone contact and wasted time with ineffective email troubleshooting.
“The customer service is one of the worst I’ve ever experienced”
Company asked grieving mother to return crib sent for promotional content.
“They told the new grieving mother to return crib since she can’t make content.”
Most reviews report poor or unresponsive service, describing denied phone support, lengthy email back-and-forth, and unresolved warranty or repair requests.
Several reviewers describe unexpected costs or unclear rental/refund terms and subscription fees that reduced perceived value for the purchase or rental.
Some parents report improved infant sleep with the SNOO, but multiple users describe frequent shutdowns, resets, or that their baby would not be soothed.
While one review praises design and safety features, several others report recurring malfunctions, clip/sensor failures, and concerns about durability.
Numerous reviews accuse the company of poor communication or insensitive conduct, including requests to return products in emotionally sensitive situations.
Recent review volume skews negative: isolated positive sleep reports exist, but most accounts cite service, safety, or value problems in purchasing or support.
For each review, the core experience based on original source reviews.
Sources: Trustpilot (24) · Collected.reviews (1) · Quotes shortened · As of: February 2026
Customer service failed to send correct swaddle and delayed rental shipment.
“Horrible customer service- they argue with a mother who has a 7 day old baby”
Customer service failed to send correct swaddle and delayed rental shipment.
“Horrible customer service- they argue with a mother who has a 7 day old baby”
SNOO is expensive and needs a $20/month fee for basic functionality.
“they also require you to pay $20/month to use the damn thing”
SNOO is expensive and needs a $20/month fee for basic functionality.
“they also require you to pay $20/month to use the damn thing”
Refurbished SNOO became unusable and felt like a worthless purchase.
“I basically paid $900 for a paperweight”
Customer service refused phone contact and wasted time with ineffective email troubleshooting.
“The customer service is one of the worst I’ve ever experienced”
SNOO frequently shuts off unexpectedly, disrupting infant sleep and raising safety concerns.
“frequently shuts off unexpectedly during use”
Paid device now requires costly subscription for basic features.
“basic features are now locked behind a premium subscription”
Returned rental within 30 days but was denied refund due to rental policy.
“refund is only available if you purchase the SNOO, not rent”
Company requested a bassinet back from a grieving content creator, seen as insensitive.
“happiest baby requested the bassinet back”
Reviewer calls the company and its customer service horrible.
“Horrible company and horrible customer service.”
Company allegedly harassed a grieving mother to return a bassinet.
“Harassed THIS POOR LADY TO GUVE THEM BACK THIER PRODUCT”
Reviewer would give zero stars if possible.
“If I could, I would give 0 stars.”
Company requested grieving mother return a bassinet, criticized as vile.
“Absolutely vile company.”
Reviewer urges boycotts after seeing posts about poor customer treatment.
“Do not buy anything and return your products if you can.”
Company reportedly asked grieving mother to return bassinet sent for promotion.
“they wanted the basinet back!”
Reviewer condemns company for allegedly treating a grieving mother cruelly.
“They deserve 0 stars for being so cruel to a grieving mother 💔”
Company emailed a grieving mother asking to return a crib, seen as awful.
“You emailed a grieving mom requesting her to send back a crib!”
Company requested bassinet return from grieving mother who could not create content.
“They asked a grieving mother who’s baby died to return the bassinet that they sent her”
Company allegedly requested a grieving mother return a bassinet, deemed disrespectful.
“They wanted a grieving mother to return a bassinet?”
Company asked grieving mother to return crib sent for promotional content.
“They told the new grieving mother to return crib since she can’t make content.”
Company allegedly asked grieving mother to return bassinet, seen as heartless.
“THEY ASKED A GRIEVING MOTHER WHOS BABY JUST DIED TO SEND BACK!!!”
Company reportedly requested return of bassinet from a stillborn's mother.
“asked a grieving mother to return the bassinet after baby was stillborn.”
Product requires an unclear $20 monthly subscription to function properly.
“it requires a $20 monthly subscription to function properly”
I recently purchased Happiest Baby's SNOO Smart Sleeper and I have to say, it has been a game changer for my little one's sleeping habits. Not only is it the safest baby bed on the market, but it also incorporates Dr. Harvey Karp's 5 S's (swaddle, side or stomach position, shush, swing and suck) approach to calming babies in order to promote healthy sleep patterns.
The 5-second swaddle feature of the SNOO was particularly helpful as my baby always seemed to wiggle out of traditional swaddles. Additionally, the responsive rocking motion mimics that feeling of being held which allows for a seamless transition from me holding her to resting in her crib.
Happiest Baby also offers a wealth of resources ranging from baby sleep advice all the way up to toddler tips. This allowed me to feel confident in developing healthy sleep routines not just during infancy but throughout early childhood.
Overall, I highly recommend Happiest Baby's SNOO Smart Sleeper and their other products for new parents looking for safe and smart solutions for their little ones' sleep needs.
This page combines submitted experiences with public reviews from platforms such as Google, Trustpilot, etc. Recurring points are summarized without changing the content of reviews.
Happiest Baby is a consumer infant-care company founded by pediatrician Dr. Harvey Karp. The company is best known for the SNOO Smart Sleeper bassinet and publishes guidance and tools aimed at improving infant sleep. Consumers researching the brand typically look for product reliability, warranty and return terms, and customer-support responsiveness.