Insomnia Disorder: Neurobiological Mechanisms, Diagnostic Criteria, and Evidence-Based Treatment Approaches
Insomnia disorder is a common sleep-wake disorder characterized by persistent difficulty initiating sleep, maintaining sleep, or experiencing non-restorative sleep, despite adequate opportunity for sleep. Clinically, it is defined not only by disrupted sleep duration, but also by daytime consequences such as fatigue, impaired attention, mood disturbance, and reduced functional performance. Epidemiologically, insomnia affects a substantial… Read More »