1 March 2012
Last updated at 01:03
The study involved more than 150,000 people
The belief that older people tend to suffer worse sleep may be false - in fact the reverse may be true, according to US researchers.
A telephone survey of more than 150,000 adults suggested that, apart from a blip in your 40s, sleep quality gets better with age.
Those in their 80s reported the
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