Why do we sleep less well as we get older?

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific concepts

A restless night for Groucho Marx in Duck Soup.
A restless night for Groucho Marx in Duck Soup. Photograph: The Ronald Grant Archive

Why do we sleep less well as we get older?

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific concepts

As we get older we seem to sleep less well, often waking in the middle of the night. Why?

Anthony Davies, Burton upon Trent

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