article_snippet.sent: The average adult needs around eight hours of sleep per night with a range of seven to nine .
article_snippet.sent: The average amount of sleep for an adult is around eight hours, with a range of seven to nine, the ABC have reported.
article_snippet.sent: Any less than six hours or any more than 10 hours is unusual for the standard person.
article_snippet.sent: Any less than six or any more than ten hours is unusual for the standard person .
highlights_snippet.sent: The Sleep Foundation study has shown that adults need 8 hours of sleep .
  