 Here are 10 warning signs you might be going through depression number one losing sleep insomnia number two losing interest in things that you like number three losing appetite number four Emotional outbursts or emotional breakdown number five lack of energy and feeling lethargic Number six risky behaviors number seven misuse of substance number eight the thought of death Number nine the painful event number ten unexplained pain Depression is one of the most common mental illnesses out there, and we at psych2go. We're here to support and help you