4.48 Psychosis review: Sarah Kane’s last play still packs a punch Life&Style When 4.48 Psychosis was first staged in the year 2000, its author Sarah Kane had ended her own life just months earlier. Tackling mental illness and suicide, it seemed to offer a posthumous glimpse into the mind of a troubled genius, laying bare the anguish that led to her death aged just 28. Kane has [...]