Facial Arteriovenous Malformation with Pulsatile Tinnitus: A Potentially Curable Cause of Chronic Insomnia

Sleep disturbance affects most of the general population at some stage of their life; it is common in adults and is particularly prevalent among the elderly. Insomnia is a disorder defined by the inability to fall or stay asleep, and many environmental, psychological or medical factors can lead to this troublesome condition. Chronic insomnia is characterized by the occurrence of symptoms at least 3 times a week, for more than 6 months.