Instruct: Classify a given review into positive or negative sentiment.
Query: It helped my baby stay asleep

My son was a very light sleeper and any little noise would wake him up. I bought this thinking that it wouldn't work but was worth a try. It actually did help him to stay asleep. He would sleep for hours at a time as long as the machine was on. It actually helped me to relax too bc we slept in the same room. I don't like things hanging on this crib so I liked that this machine can be put anywhere.I put it on the floor under his bassinet then on a short stool next to his crib. I haven't had to use it lately but I keep it close by just in case.