Little interest or pleasure in doing thing.
Feeling down, depressed or hopeless.
Trouble falling or staying asleep or sleeping too much.
Feeling tired or having little energy.
Poor appetite or overeating.
Feeling bad about yourself.
Trouble concentrating on things.
Moving or speaking so slowly that other people could have noticed? Or the opposite, being so fidgety or restless that you have been moving a lot more than usual.
Thoughts that you are better off dead or of hurting yourself in some way.