A four-week sleep therapy program was linked to better sleep and less negative thinking in a study of 88 people. The Sleep Well for Mood study tested CBT-I Therapy, a program that changes thoughts and habits that keep people awake. It also teaches people about sleep. Everyone enrolled had both Depression / Low Mood and poor sleep. Researchers checked them before treatment, afterward, and at a three-month follow-up. After treatment, people reported improvements in Insomnia / Difficulty Falling Asleep. They also reported fewer worries about sleep and less negative thinking about everyday issues. They spent more time doing meaningful activities, including physical and social activities. These changes matter because negative thinking and inactivity can fuel low mood. The findings suggest sleep therapy may help address both patterns. The possible benefit goes beyond sleep alone. But the article gives no numbers showing how much symptoms improved. It also does not describe a comparison group. That limits what we can say about how much change came from the program itself. For BioSocial members, this offers a useful way to compare notes. Sleep records may tell only part of the story. Tracking Sleep Duration alongside a simple daily mood rating could add context. Notes about bedtime worries and meaningful activities could capture changes a sleep number misses. These would be personal observations, not measures reported in this article. For those who have tried the program, what changes did you notice in your sleep, thinking, or daily activities?