This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2018, Subject name: Psychiatry
Which of the following is a classical symptom of depression:- 
Select and explain. 
A. Early morning insomnia, B. Weight loss, C. Guilt, D. Decreased appetite
A: Early morning insomnia
Answer: A: Early morning insomnia 
Explanation: Symptoms of depression(SIGECAPSS) Sadness of mood Interest loss Guilt Energy loss Concentration loss Appetite loss Psychomotor agitation Suicidal thoughts Sleep disturbance - early morning insomnia is specific for depression - waking time shift up to 2 hours before -reduce latency of REM Sleep