article_snippet.sent: Older people find it harder to reach a deeper sleep - but Older people still need just as much .
article_snippet.sent: It is a common misconception that we need less sleep as we get older -
article_snippet.sent: in fact we need just as much, the problem is that older people find it harder to reach a deeper sleep.
highlights_snippet.sent: For example, we need just as much sleep as we get older .
  
highlights_snippet.sent: The problem is that older people find it harder to reach a deeper sleep .
  