tldr; While the "Happiest Baby" brand is associated with effective calming techniques and products like the Snoo, specific feedback on the "Sleepea 5-Second Swaddle" is limited.
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Best praise vs top criticism for Happiest Baby Sleepea 5-Second Swaddle
“I just want to say I’m so sorry. It’s very common to not have an instant connection with your baby, especially with colic. I know you said you are EBF and if you plan to continue that, maybe try an elimination diet to see if that’ll help your little one. My second baby cried every second he wasn’t being nursed or sleeping until I cut out eggs and soy. Within a few days he was like a new baby and has been the happiest baby on the planet ever since, he’s 7 months old now. If you plan to switch to formula, try a hypoallergenic one and see if that helps her. Also please talk to your doctor. PPD and PPA are extremely common yet not enough people talk about it. Your doctor should be able to help. I’m so sorry, you aren’t alone. When they get older and start talking and give you the biggest hugs, it all feels so worth it but I know it can seem bleak. I hope you have a good support system. I’m so sorry you’re going through this.”
“My baby would fight the swaddle but slept better with it. We also have a Snoo and we used the batwing method to secure her arms and she basically never broke out - Happiest Baby has a video tutorial on it if you want to check it out :)”
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26 Reddit opinions analyzed • Last updated 2/24/2026