A sheet feeding apparatus is provided with a sheet stacking device for stacking sheets thereon, a sheet feeding device for feeding the sheets stacked on the sheet stacking device, and a heating device for heating the sheets stacked on the sheet stacking device. The heating device is designed such that of the heat generating areas of the heating device, the heating value of the heat generating area for the central portion of the sheets stacked on the sheet stacking device is greater than the heating values of the other heat generating areas.