Subtypes of insomnia. Based on personality traits and mood, people with insomnia can be divided into five subtypes. MRI scans show that these five subtypes also exhibit abnormalities in different ...

Insomnia, which is characterized by difficulty sleeping, is a common health condition that leads to distress from and dissatisfaction with the quality and quantity of sleep. Insomnia is different from ...

Researchers compare the efficacy of Tai chi with cognitive behavioral therapy for the treatment of chronic insomnia.