A stretcher arrangement comprising a first sheet and a second sheet to be arranged on a bed having a first end and a second end, and a length L along a longitudinal axis A, wherein the lenght corresponding to the lenght of the bed; the first sheet comprises a first surface, being a part of the first sheet that faces upward when the first sheet is arranged on the bed, the second sheet comprises a second surface, being a part of the second sheet that faces upward when the second sheet is arranged on the bed, wherein said first surface and said second surface cover different parts of the bed surface along a border line B that at least partly is perpendicular to said axis A, and that said stretcher arrangement further comprises: - a sheet movement unit structured to apply movement to at least one of said first and second sheets (4, 6) along the longitudinal axis A of said bed; - a control unit configured to control said sheet movement unit, according to a set of sheet movement rules, wherein a relative movement between said first surface and said second surface is provided, moving these surfaces apart from each other, wherein said relative movement is provided to apply a stretching movement to a person lying on the sheets, characterized in that the first sheet is configured to be arranged on said bed and to extend from one of said first and second ends (10, 12) of the bed, and the second sheet has a length that covers a predetermined part of said bed, and that said second sheet is configured to be arranged on said first sheet such that said second sheet covers at least a part of said first sheet, and to extend from the other of said first and second ends (10, 12) of the bed. the first sheet comprises a first surface, being a part of the first sheet that faces upward when the first sheet is arranged on the bed, the second sheet comprises a second surface, being a part of the second sheet that faces upward when the second sheet is arranged on the bed, wherein said first surface and said second surface cover different parts of the bed surface along a border line B that at least partly is perpendicular to said axis A, and that said stretcher arrangement further comprises: - a sheet movement unit structured to apply movement to at least one of said first and second sheets (4, 6) along the longitudinal axis A of said bed; - a control unit configured to control said sheet movement unit, according to a set of sheet movement rules, wherein a relative movement between said first surface and said second surface is provided, moving these surfaces apart from each other, wherein said relative movement is provided to apply a stretching movement to a person lying on the sheets, characterized in that the first sheet is configured to be arranged on said bed and to extend from one of said first and second ends (10, 12) of the bed, and the second sheet has a length that covers a predetermined part of said bed, and that said second sheet is configured to be arranged on said first sheet such that said second sheet covers at least a part of said first sheet, and to extend from the other of said first and second ends (10, 12) of the bed. - a sheet movement unit structured to apply movement to at least one of said first and second sheets (4, 6) along the longitudinal axis A of said bed; - a control unit configured to control said sheet movement unit, according to a set of sheet movement rules, wherein a relative movement between said first surface and said second surface is provided, moving these surfaces apart from each other, wherein said relative movement is provided to apply a stretching movement to a person lying on the sheets, characterized in that the first sheet is configured to be arranged on said bed and to extend from one of said first and second ends (10, 12) of the bed, and the second sheet has a length that covers a predetermined part of said bed, and that said second sheet is configured to be arranged on said first sheet such that said second sheet covers at least a part of said first sheet, and to extend from the other of said first and second ends (10, 12) of the bed.