Harper Collins Publishers - Released in 1998
Tell Me Your Dreams is a 1998 novel by American writer Sidney Sheldon on Dissociative Identity Disorder or Split Personality.
The main characters of the book are Ashley Patterson, an introverted workaholic, her co-workers, Toni Prescott, an outgoing singer and dancer, shy artist Alette Peters and Ashley's father, Dr. Steven Patterson.
The three women do not get along very well, because of their dissimilar natures. Toni and Alette generally maintain a friendship, with Alette a calming influence, but Toni dislikes Ashley and criticizes her harshly. All three have issues with their mothers having told them they'd never amount to anything.