3AM is the name of a diary that Eura Ahn has been keeping her diary for 3 years. it was given the name ‘3am’ for the project called ‘Alter ego’. The purpose of itself is to promote and put ‘the other I’ out of the world. 3AM is a rare and also unusual time for ordinary people who live common life. However, for who can’t sleep at this time, it often brings you depression and loneliness. She mostly writes a diary of her thoughts or feeling around that time. So, This diary consist of very private stories.