Sleep surface

FIG. 1 is a perspective view of a sleep surface showing our new design;

FIG. 2 is a top plan view thereof with the bottom being identical thereto;

FIG. 3 is a left side elevational view thereof with the right side being a mirror image thereof;

FIG. 4 is a front elevational view thereof with the rear being identical thereto;

FIG. 5 is a top plan view of another sleep surface with the bottom being identical thereto;

FIG. 6 is a left side elevational view of the sleep surface shown in FIG. 5 with the right side being a mirror image thereof;

FIG. 7 is a front elevational view of the sleep surface shown in FIGS. 5 and 6 with the rear being identical thereto;

FIG. 8 is a top plan view of another sleep surface with the bottom being identical thereto;

FIG. 9 is a left side elevational view of the sleep surface shown in FIG. 8 with the right side being a mirror image thereof;

FIG. 10 is a front elevational view of the sleep surface shown in FIGS. 8 and 9 with the rear being identical thereto;

FIG. 11 is a top plan view of another sleep surface with the bottom being identical thereto;

FIG. 12 is a left side elevational view of the sleep surface shown in FIG. 11 with the right side being a mirror image thereof;

FIG. 13 is a front elevational view of the sleep surface shown in FIGS. 11 and 12 with the rear being identical thereto;

FIG. 14 is a top plan view of another sleep surface with the bottom being identical thereto;

FIG. 15 is a left side elevational view of the sleep surface shown in FIG. 14 with the right side being a mirror image thereof;

FIG. 16 is a front elevational view of the sleep surface shown in FIGS. 14 and 15 with the rear being identical thereto;

FIG. 17 is a top plan view of another sleep surface with the bottom being identical thereto;

FIG. 18 is a left side elevational view of the sleep surface shown in FIG. 17 with the right side being a mirror image thereof; and,

FIG. 19 is a front elevational view of the sleep surface shown in FIGS. 17 and 18 with the rear being identical thereto.

The broken line in FIG. 1 showing the lever arms, brackets, and sleep surface grids is for illustrative purposes only and forms no part of the claimed design.