Systems and methods are disclosed for detecting a change in a person's mental state using biometric data and correlated social media content, and notifying a caregiver based on the detected change. A method includes: monitoring, by a computer device, biometric data of a user; monitoring, by the computer device, social media content of the user; determining, by the computer device and based on the biometric data and the social media content, that the user has experienced a changed mental state; and notifying, by the computer device, a caregiver of the changed mental state.