In Sleep (2023), a South Korean horror-thriller, newlyweds Soo-jin and Hyeon-soo face escalating terror as Hyeon-soo's sleepwalking leads to bizarre and dangerous behavior. Concerned for their unborn child, Soo-jin seeks help from doctors and a shaman, uncovering unsettling truths. This gripping film blends psychological tension with dark humor, exploring the fragility of domestic life.