Police have been searching for a man reported missing from a nursing home in Dronfield.
Kevin Herbert, aged 58, was reported missing from Brookview Nursing Home, Holmley Lane, on Wednesday, at about 10pm.
Police said he may appear confused and is not thought to have any money with him, or access to a vehicle.
Officers have been carrying out house-to-house enquiries and were yesterday urging residents to check gardens and outbuildings in case Mr Herbert had taken shelter.
Police have also been speaking to bus firms in the area to try to establish if he has used public transport.
He is described as 5ft 7in, of stocky build, with short cropped hair and blue eyes and was wearing a red football shirt and jeans.
n Anyone who sees Mr Herbert should call police on 101.