Depression usually includes at least 5 of the following symptoms:
Depressed mood most of the day and nearly every day.
Decreased interest in previously enjoyed activities.
Changes in appetite or weight.
Physically feeling agitated, slowed down, difficulty “getting going”.
Intense feelings of worthlessness and inappropriate guilt.
Decreased ability to think or concentrate.
Recurrent thoughts of suicide or death.
Insomnia (difficulty sleeping) or hypersomnia (sleeping a great deal).
Fatigue and loss of energy.