which is a symptom of depression?\no planning for the future\no increased concentration\no decreased…

Brief Explanations:

Depression often causes sleep - related issues like insomnia or excessive sleeping. Planning for the future is not a typical symptom, as depression can cause hopelessness. Increased concentration is not associated with depression which usually impairs focus. Decreased anger is not a common symptom; instead, mood swings including irritability can occur. Sleep disturbance is a well - known symptom of depression.

Answer:

sleep disturbance