Why am I having nightmares after mastectomy and how can I sleep better?

Nightmares and sleep disruption after major surgery like mastectomy are more common than many people realize, and reaching out for support shows real strength. Sleep troubles can happen for many reasons after surgery - from medication effects to the body's natural stress response during healing. It sounds like you're already taking important steps by working with both a therapist and psychiatrist, which can be really helpful for addressing sleep issues after cancer treatment. Many community members have found relief through various approaches, so sharing experiences here might help you discover what works best for your situation.