The seasonal pattern seems to be the most common type as it has to do with the changes in the seasons and also the lack of enough sunlight. Another is peripartum onset, also known as postpartum, which occurs during pregnancy or a few months or weeks after giving birth. Psychotic features have to do with depression that involves delusions and/or hallucinations. People with atypical characteristics have the ability to rejoice at happy events and run with little sleep. They are also very sensitive. Anxious distress causes people to feel unusual restlessness or worry too much. Mixed features are simultaneous with depression and mania. This is when someone talks too much and rushes thoughts and ideas. Melancholic characteristics leave them with a lack of response to something that brought them happiness. Worsening of mood and feeling of sluggishness. Those who suffer from depression can seek help but those who don't suffer from it, there is no sure way to prevent it. There are things that can be done to try to prevent it. How to take steps to control stress. Also reach out to family and friends or anyone they trust. Treatment in the early stages of depression can help you get rid of depression even more. Long-term maintenance treatment is something that should be considered for those suffering from depression. Learning to recognize the symptoms can help alert your doctor so you can receive treatment.