DSM-5 criteria The DSM-5 criteria for insomnia include the following: Predominant complaint of dissatisfaction with sleep quantity or quality, associated with one (or more) of the following symptoms: Difficulty initiating sleep. Difficulty maintaining sleep, characterized by frequent awakenings or problems returning to sleep after awakenings. Early-morning awakening with inability to return to sleep. In addition, The sleep disturbance causes clinically significant distress or impairment in social, occupational, educational, academic, behavioral, or other important areas of functioning.
The sleep difficulty occurs at least 3 nights per week. The sleep difficulty is present for at least 3 months. The sleep difficulty occurs despite adequate opportunity for sleep. Source: en.wikipedia.org
