Putting your baby to sleep next to a white noise machine may increase the child’s risk of hearing loss, a new study suggests. The Canadian study, published in the journal Pediatrics, measured the decibel levels of a variety of infant sleep machines and found that some of them were so loud that they exceeded industry safety levels. Dr. Blake Papsin, a pediatric otolaryngologist at Toronto’s Hospital for Sick Children and one of the authors of the study, told CTV’s Canada AM Monday that all the machines tested surpassed what researchers considered a normal level of noise in a neonatal nursery. The recommended limit is 50 decibels. A new study suggests that a white noise machine aimed at helping babies sleep could affect their hearing down…