AO1 - Behavioural characteristics of depression

- Depression sufferers have reduced energy levels making them lethargic which has an effect on education, social life and work.
Disruption to sleep&eating behaviour:
- Sufferers may experience insomnia or an increased need for sleep. Similarly appetite may increase or decrease leading to weight gain or weight loss.
Sufferers are often irritable so can become verbally or physically aggressive. It can lead to aggression towards the self, including self harm in the form of cutting or suicide attempts.