Cognitive behavioral therapy (CBT) is a multifaceted approach that’s recommended as a first-line treatment for chronic insomnia. A new study looked at the components of CBT to determine which ones are most effective for improving sleep, finding that relaxation techniques may potentially be counterproductive. Chronic insomnia can be debilitating, draining a person’s energy and affecting their mood. It can also affect health, with long-term insomnia being linked to an increased risk of high blood