sleeping position
... that a 2006 survey found that the sleeping position preferred by 50% of British couples is back-to-back?
... that a 2006 survey found that the <b id="mwFbQ"><a class="mw-redirect" href="./Sleeping_position" id="mwFbU" rel="mw:WikiLink" title="Sleeping position">sleeping position</a></b> preferred by 50% of <a href="./British_people" id="mwFbY" rel="mw:WikiLink" title="British people">British</a> couples is back-to-back?