4.48 Psychosis is one of the most extraordinary pieces of theatre I’ve ever seen. If the role of theatre is to challenge and provoke as well as entertain, then this production does that and more. It’s hauntingly beautiful, with powerful, deeply felt performances from Daniel Evans, Jo McInnes, and Madeleine Potter. All three are reprising their roles from the original Royal Court production a quarter of a century ago.

The entire original cast and creative team, including award-winning director James Macdonald and designer Jeremy Herbert, return to deliver something disturbingly elegant and emotionally devastating.

This is not an easy or traditional play. Its structure is fluid and fragmented, and the silences between words often feel as significant as the words themselves. We’re drawn into the mind of an unnamed protagonist navigating the bleak terrain of severe depression. At times it’s brutal and shocking in its honesty, refusing to soften the rawness of mental illness or the desperate search for clarity and connection.

At just 70 minutes, it’s an intense experience, with all three performers holding the stage with unwavering focus. My attention never once drifted. The staging is simple but incredibly effective. It’s ingenious and beautiful. A sloping mirror at the back of the set reflects the actors, so when they lie on the floor, you look up and see them from above. It creates a strange sense of distance and intimacy, disorientation and perspective — a visual metaphor that words barely do justice to. It really is a play you need to see to fully appreciate.

The “4.48” in the title refers to 4:48 a.m. The time playwright Sarah Kane reportedly said she often woke, experiencing a moment of clarity or despair. It becomes a motif for the elusive grip of sanity, for the darkness before the dawn.

Despite the harrowing subject matter, there are flashes of pitch-black humour. “I dreamt that I went to the doctors, and she gave me eight minutes to live. I’d been sitting in the fucking waiting room for half an hour.” Lines like that slice through the intensity with dry, desperate wit.

This is a deeply personal piece, at times confessional and diaristic — a character wrestling with the inadequacy of language to convey inner chaos. Knowing that Kane died by suicide not long after completing this final play adds even more weight and heartbreak to the experience.

4.48 Psychosis left me with more questions than answers, but I walked out of the theatre knowing I’d witnessed something rare and remarkable — intense, poetic, and painfully human. Beyond reflecting on Kane’s extraordinary script, I found myself wondering how the cast and creative team felt revisiting this emotionally demanding piece twenty-five years on.

If you want to be challenged — to feel something that goes far beyond plot or narrative — this play will stay with you. It’s not an easy watch, given its unflinching themes of depression, suicide, and what it means to be human. Now playing at The Other Place until 27th July.