PURPOSE OF REVIEW This article reviews behavioral signs and symptoms of dementia that can lead to increased mortality, excessive cognitive and functional disability, early institutionalization, and increased caregiver burnout. RECENT FINDINGS Almost all patients with a dementia will develop significant behavioral disturbances at some point over the course of their illness. These behavioral si...

Insomnia is a common sleep complaint even in young adults and has important daytime consequences. Several subjective and objective tools are recommended to assess the magnitude of the problem and to try to find a cause. Chronic insomnia is often caused by precipitating factors, such as acute stress, work conditions, illness, and travel, and perpetuating factors, such as poor sleep hygiene, anxi...