Daughter and central protagonist. She initially discovers her deceased sister Jennifer's ghost. Placed in a mental institution, she experiences a flashback revealing her role in the prank that caused Jennifer's death. Ultimately claims Jennifer possesses her and pleads for her sister not to leave.
Father-daughter bond strained by tragedy and subsequent institutionalization.
Mother-daughter relationship central to the film's emotional core.
Brother and sister who share guilt over their sister's death.
Sister who carries deep guilt and eventually becomes the vessel for Jennifer.
Explore the full interactive character relationship map of Don't Go to Sleep