Vyzhivshie. Iona (TV series)

The world has been struck by an epidemic of an unknown virus. Now people can only sleep for two hours. Those who sleep longer do not wake up. A mysterious man named Iona created a religious community in a post-apocalyptic world. Its members believe in God and Iona. After all, it was this man who managed to organize them: they work in shifts, sleep in shifts and all pray together. But one day the life of the community will change dramatically. Iona will find a wounded man in the forest. Not everyone who has followed Iona up to this point will be hurt by the appearance of a new one. - IMDb