Mutations in these genes contribute to hearing loss by interfering with critical steps in processing sound. Different mutations in the same gene can be associated with different types of hearing loss, and some genes are associated with both syndromic and nonsyndromic forms.
This kind of therapy is distinct from what is commonly known as sleep hygiene: exercising regularly, but not too close to bedtime, and avoiding coffee and too much alcohol in the evening. These healthful habits do not amount to an effective treatment for insomnia. In her 2008 pilot study testing CBT-I in people with depression, Dr. Manber of Stanford used sleep hygiene as part of her control treatment.
Very young newborns might also benefit from a sleep hat to conserve body heat and mittens to prevent scratches during sleep. For safety and sleep training purposes, newborns should also do most of their sleeping in a baby crib or bassinet.