Chronic back and leg pain patients, usually required to sleep on a hard board bed, but there are the following precautions: 1, hard board bed to lay a slightly thicker mattress, or thin mattress two beds, to lie in bed comfortably to the extent. Too hard is not conducive to recovery. 2, the conditions can be laid brown mattress, as long as the brown, do not sponge. Half brown, half sponge mattress can not. Thickness 3-4 centimeters on the line, not too thick. 3, if it is too late to change the mattress, you can lay some paper shells on it. Any kind of packing box is dismantled, laid on the original cushion can be. 4, remember! Sponge mattress is absolutely not sleep.