A pillow with a removable rod-shaped insert is described herein. The rod-shaped insert is removably insertable into a cavity and/or trough within the pillow. Both the rod-shaped insert and the cavity and/or trough are substantially semi-circular at each vertically oriented cross-section thereof. The cavity includes an opening in a side of the pillow opposite a side thereof which is in contact with a user's head and/or body. The rod-shaped insert has a plurality of parallel ridges on at least one outer surface thereof and extends between both lateral sides of the pillow.
In some configurations, the rod-shaped insert is a single substantially planar structure which is folded into a substantially semi-circular shape. In some configurations, the rod-shaped insert has an internal removably-insertable structure.