•Sadness that doesn’t go away. 

•Loss of self-confidence and self-esteem. 

•Difficulty concentrating. 

•Not being able to enjoy things that are usually pleasurable or interesting. 

•Feeling anxious all the time. 

•Avoiding other people, sometimes even your close friends. 

•Feelings of helplessness and hopelessness. 

•Sleeping problems - difficulties in getting off to sleep or waking up much earlier than usual.

•Very strong feelings of guilt or worthlessness. 

•Finding it hard to function at work/college/school. 

•Loss of appetite. 

•Physical aches and pains. 

•Thinking about suicide and death. 

•Self-harm

Answer: Lack of sleep caused by another medical illness or by personal problems