CROSS SLEEPER

Pillows; bed pillows; head supporting pillows; pillows having a rectilinear shape; pillows having a square shape along at least one dimension; pillows having a consistent thickness across their width and length; foam pillow inserts, namely, soft pillows that may be inserted into a pillow sham; unitary foam pillow inserts, namely, foam pillows that may be inserted into a pillow sham; foam core pillows; rectilinear, but not cubic, foam core pillow inserts in the nature of pillows that may be inserted into a pillow sham; rectilinear foam core pillow inserts in the nature of pillows that may be inserted into a pillow sham; pillows with distinct zones for different head positions