“Sleep” is a horror and mystery thriller film that depicts the story of happy newlywed Soo Jin and her husband Hyun Soo , who suffers from an unusual sleep problem, as they try to unravel the mysterious reason behind Hyun Soo’s abnormal behavior during his sleep.
The newly released poster features Hyun Soo and Soo Jin lying down amidst the dark background. Hyun Soo seems to be in deep sleep while Soo Jin is wide awake as she lets Hyun Soo sleep on her arm. The text that reads, “Every night, a stranger wakes up,” makes viewers curious to find out what is happening to Hyun Soo during his sleep.
Jung Yu Mi reminisced the time she read the script for the first time, saying, “It’s a concise and attractive scenario that can be read at once.” Lee Sun Gyun also remarked, “After reading the script for the first time, I thought it was a very unique film that I hadn’t seen before. It is so unique that it is difficult to be put in one certain category.”