Cognitive Behavioral Therapy for Insomnia with RTMS

Inclusion Criteria: * Adults aged 18-85 years old * Patients starting rTMS treatment for MDD * Co-morbid insomnia as determined by meeting the following criteria: (a) Requiring more than 30 minutes to fall asleep at the beginning of the night or more than 30 minutes of time awake after initially falling asleep for at least 3 nights per week for at least 3 months - - An insomnia severity index score of 15 or more * Manifested sleep disturbances or associated daytime symptoms causing significant distress or impairment in social, occupational or other areas of functioning * Reliable access to a computer with internet access. Exclusion Criteria: * Obligation to an irregular sleep schedule that prevents the adoption of intervention strategies such as shift workers * Participants who have received or are receiving CBT-I targeting insomnia in the past, or those who have initiated a new sedative medication, or sedating antidepressant within 2-weeks preceding enrollment * Comorbid psychiatric disorders, including bipolar disorder, psychotic disorders or depression with psychotic features * Presence of another untreated sleep disorder such as obstructive sleep apne * Pregnancy * Active substance use disorder within the past 3 months * Use of medications that reduce the seizure threshold including Buproprion, stimulants or augmenting thyroid medications (for those without history of hypothyroid)