Disclosed is a portable head cradle for use by a seated user on an upwardly-facing top surface of a support that has a peripheral edge around the top surface. The portable head cradle includes a support structure configured to be placed on the top surface of the support and shaped and dimensioned for overlying engagement by a seated person's head. The support structure has a first substantially rigid portion and a second substantially rigid portion, the first substantially rigid portion and the second substantially rigid portion joined along at least one edge by a substantially flexible portion. A cradle portion is substantially inverted-U shaped when viewed by a user and dimensioned for engagement by the user at the forehead and cheeks of the user. At least one hook is extendable from the support structure and configured to engage the peripheral edge of the upwardly-facing top surface.