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.
Positive airway pressure machines, used with a variety of breathing masks, are the most widely used treatment for moderate and severe sleep apnea. The mask, worn snugly over the nose, or sometimes nose and mouth, during sleep, supplies pressurized air that flows continuously or intermittently into the sleeperâs throat.