Performance issues I received my buds quickly but I have been having some problems with the performance. Hissing and,Static for the first 10 minutes. The left bud fits and stays in sound is ok the right bud does not sit right and falls out and does not seem to be as strong a sound as the left. I've been using ear buds for sleeping for 2 years as I have terrible insomnia. I was glad the buds were small and appeared more comfortable than my last set.

Sleeper Loop Great Product I've been using Sleeper for quite a while but I've replaced with Sleeper Loop - longer cord, better earplugs that are comfy for side sleepers. Great product! -- I suffer from insomnia and anxiety, so being able to listen to white noise, music, etc while sleeping is a big help & private listening to guided meditation is great. I also share a home with someone older who would not tolerate my music!😊😎

Would be great if it weren’t for the battery. These headphones are very comfortable and the sound is great. They would be perfect if it weren’t for the fact that even when fully charged at around 5 hours they tell you battery is low which wakes me up. I’d be fine if they just died, but it announces battery low several times before dying. I contacted the company and never heard back. I was hoping there was a way to turn off the notification or that I’d just gotten a defective pair.

I’m leaving a two star review with… I’m leaving a two star review with consideration to the $29 price. One size fits all earbuds don’t exist; one size fits some, or most, but these did not fit me. Additionally, I emailed several correspondences to Sleepers and never heard back. [update: ADV. reached out to me after this review was posted and provided a refund to me]

Unbelievable comfort & quality I have tiny ears so earbuds get uncomfortable pretty quickly. These truly are comfortable enough to sleep in, they don't pop out when you get sweaty during a workout, the sound quality is excellent, and the noise cancelling effect is no joke! I have both the traditional & the wireless pairs, they are equally fantastic. It's hard to believe something so inexpensive could be so great, but these are the only earbuds I'll be buying from now on.