Worried relatives notified the police in southern Stockholm about the person who they had not seen for four days.
Police immediately rushed to the person's home and on arrival, they heard moaning sound coming from inside the locked bathroom, 'The Local' reported.
They broke down the door and found the missing person inside, who had been locked in the bathroom after the door handle had broken.
The person, whose identity was not known, was taken to hospital, the report said.