Into the Light for Maternal Mental Health and Substance Use Disorders Act of 2022 or the Into the Light for MMH and SUD Act of 2022 This bill reauthorizes through FY2028 a program that addresses maternal depression and, among other changes, expands its scope to include mental health and substance use disorders. It also requires the Department of Health and Human Services to maintain a national hotline to provide mental health and substance use disorder resources to pregnant and postpartum women and their families.