The Role of Actigraphy and Sleep Diaries in Assessing Sleep in Adults with Insomnia

Proper sleep assessment is important for diagnosis and evaluation of sleep disorders. Actigraphy and sleep diaries are low-cost ways for measuring longitudinally several sleep aspects, such as sleep timing, regularity, duration, and quality. The purpose of this chapter is to briefly present these assessment tools, describing the main sleep variables derived from them and their clinical use in adults with insomnia.