Television series

While You Were Sleeping

Name: While You Were Sleeping
Genre: Fantasy, Romance, Legal
Released: 2017
Cast: Lee Jong Suk, Suzy, Lee Sang Yub, Jung Hae In

Other titles called While You Were Sleeping: the 1995 film.

A Korean legal fantasy where a woman with precognitive dreams and a prosecutor determined to prevent tragedies team up to stop disasters before they happen. It's a tightly wound thriller that balances courtroom drama with genuine stakes—every case matters because lives depend on them getting it right. Perfect for anyone who loves mysteries where the tension comes from racing against fate itself.

TVMaze rating

4.0

Should you watch it?

Watch it if you like a romance powered by a supernatural premise that keeps asking whether a foreseen tragedy can be stopped at all, and you enjoy courtroom-style problem solving alongside the heartbeat of the love story.

Skip it if you want a tight, fast thriller; at 32 episodes the pace is patient and the case-by-case rhythm can feel episodic over a long run.

What it asks of you: Settle in for a long commitment: thirty-two episodes of around thirty-five minutes each, with plenty of talk and slow-building emotion rather than constant spectacle.

Not sure? Find tonight's pick in a minute.

If you liked this

Odds Against Tomorrow1959

A Korean series equally invested in saving lives and exploring why people want to live. Like While You Were Sleeping, it finds profound meaning in the small moments and treats intervention as an act of love rather than just action.

But It's much slower and more introspective. If you want constant forward momentum and puzzle-solving, this will feel contemplative by comparison.

Signal2016

Another Korean thriller about law enforcement trying to prevent crimes they can somehow perceive before they happen. Same DNA: procedural excellence, impossible cases, the weight of knowing what's coming and being powerless to stop all of it.

But It's darker and grimmer. While You Were Sleeping has romance and hope woven through; Signal is bleaker about human nature and justice.

Flower of Evil2020

A Korean legal mystery where truth and deception spiral together in ways neither character can fully control. Shares the obsessive pacing and the sense that one wrong step unravels everything—and that some tragedies can't be prevented, only endured.

But Much heavier emotional terrain. It's about marriage and betrayal as much as mystery, and it doesn't offer the same cathartic sense of wrongs being made right.

Not sure tonight? Get a pick in a minute, starting from While You Were Sleeping

The wildcard

Something you would not have found on your own.

Arrival2016

Both wrestle with the paradox of foreknowledge: once you know what's coming, can you actually prevent it, or do you simply live through the knowledge of your powerlessness? Both arrive at answers about acceptance and love despite that powerlessness.

A science fiction film about a linguist who learns an alien language that fundamentally changes how she perceives time and causality. Shares the core question: if you could see the future, would you still choose to live it? Profoundly moving about fate, love, and sacrifice.

But It's slow, meditative, and mostly quiet. There are no courtroom victories, no active prevention—just a woman learning to accept what she cannot change. Demanding and heavy in a completely different way.

Suits2011

Slick legal procedural where sharp attorneys solve impossible cases through brilliance and teamwork. If you loved the courtroom victories and the partnership between Lee Jong Suk and Suzy, this delivers similar satisfying wins week after week.

But American pacing is looser and more about character banter. It's less about stopping tragedies and more about winning arguments, which is a fundamentally different satisfaction.

Dark2017

German sci-fi where characters desperately try to prevent catastrophes they've foreseen or partially understand. Same core tension: knowledge of the future that might be inescapable, and the question of whether anything can truly be changed.

But Enormously complex mythology that demands active viewing. While You Were Sleeping is clear and linear; Dark is a puzzle box that needs your full concentration across three seasons.

My Mister2018

A Korean drama about interconnected lives and second chances, with similar attention to how small moments and small kindnesses ripple outward. Less thriller, more meditation on fate and intervention—but the emotional core is recognizably similar.

But Almost no plot momentum. It's about characters sitting with their feelings. If you want the drama primarily for mystery and legal maneuvering, this will feel like watching grass grow.

Memories of Murder2003

A Korean procedural masterpiece about detectives hunting a killer, capturing the obsession and desperation of people trying to stop violence before it claims more lives. The same taut investigation energy, the same moral weight to getting it right.

But It's a film, not episodic, and it's considerably darker. Also set in the 1980s with a completely different tone—grittier, more ambiguous about whether justice is even possible.

The Good Wife2009

Sophisticated legal drama with excellent cases and partnerships that crackle with tension. If the courtroom elements of While You Were Sleeping hooked you, this has seven seasons of similarly complex, high-stakes legal combat.

But Minimal fantasy element—it's grounded procedural. And the emotional core is about career and ambition rather than saving lives, which changes the stakes fundamentally.

Alchemy of Souls2022

Korean fantasy-action where characters have magical abilities and race to prevent dark futures. Similar blend of romance, action, and the sense that knowing what's coming doesn't always let you change it—plus excellent fight choreography to balance the philosophical weight.

But Lighter in tone, heavier on spectacle. The legal/procedural elements that gave While You Were Sleeping its backbone are absent here.

The Giver2014

Like While You Were Sleeping, it's centrally concerned with whether knowing about suffering obligates you to act. But instead of racing to prevent specific tragedies, it asks whether society should prevent all suffering through willful forgetting—the inverse problem.

An adaptation of the classic YA novel about a society where a chosen citizen receives memories of all past events—including tragedies deliberately erased from collective knowledge. It's about whether preventing pain by erasing knowledge is merciful or catastrophic, and whether some tragedies must be witnessed to matter.

But The film is widely considered inferior to the book and gets caught between audiences. It's also more philosophical than thrilling—long stretches of exposition rather than active drama or investigation.

A Dangerous Method2011

Both probe the ethics and limits of intervention: While You Were Sleeping asks if you should stop tragedies you foresee, A Dangerous Method asks if you should try to heal wounds you uncover. Both conclude that knowing and acting are far more complicated than they appear.

A historical drama about the relationship between Freud, Jung, and a patient caught between them, exploring how the attempt to understand and prevent psychological suffering can itself become destructive. Beautifully shot, morally complex, with a similar obsessive intensity about intervention and its consequences.

But It's a period piece with intellectual rather than plot-driven momentum. Very slow, very talk-heavy, and the 'tragedy' it grapples with is psychological and philosophical rather than external. Not a thriller in any sense.