1.   A good mattress on a wood backer may be more comfortable than one on a box spring.

2.   All we need is a good mattress.

3.   Good shoes, a good mattress -- well, three things -- and a good ad campaign.

4.   In addition to a good mattress, you should treat yourself to a proper pillow.

5.   The country club courses have the feel of a good mattress with their spongy but firm grass.