This podcast episode features Dr. Ashley Mason, a sleep expert, discussing Cognitive Behavioral Therapy for Insomnia (CBT-I). The interview covers the causes and perpetuation of insomnia, distinguishing between predisposing factors and learned behaviors. CBT-I techniques like time-in-bed restriction, stimulus control, and cognitive restructuring are explained, along with practical advice on managing racing thoughts (scheduled worry time) and optimizing sleep environments (temperature regulation). Dr. Mason emphasizes the importance of consistent wake times and cautions against the overuse of sleep aids and supplements. Listeners gain actionable strategies for improving sleep, including A/B testing interventions and identifying unhelpful behaviors.