The first symptoms of depression are often times not clearly visible. Therefore a lot of people do not pay special attention to the symptoms, which makes it harder to diagnose depression. These are some of the most common depression symptoms:
Sadness and moodiness
Mostly sad, grouchy and moody throughout the day.
Anxiety and nervousness
Experiencing sudden bursts of anxiety and sadness, existential fear or (fear of the future), indefinite feeling of fear, alienation, absence and unwillingness to be in company of others.
Decreased energy
Experiencing daily changes in energy levels can be a symptom of depression. Usually, depressive individuals have more energy in the evening hours.
Poor concentration and memory
Absent-mindedness, confusion and indecisiveness.
Insomnia
Having difficulty falling asleep or constant waking up during the night, waking up early in the morning, at least 2 hours before the usual time after which the person is no longer able to fall asleep again. Moreover, as a result of reduction in total sleep, many depressive people try sleeping during the day. Because of this, these people often feel bad in the morning, right after waking up. They are moody and cannot get out of bed.