Janson cited time-use studies suggesting that most visits to parks, attractions and National Trust sites take place in the afternoon after other commitments such as work.

延森引用对时间使用的研究结果称，大部分人去公园、景点和“国民信托”名胜古迹游览的时间都是在下午类似工作等固定时间结束之后。

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Operator makes a call to Janson.

接线员给詹森打电话。

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Dr Marie Janson, from the charity Alzheimer's Research UK, called for more studies in people to see if there was a link between sleeping patterns and Alzheimer's.

BBC: Bad sleep may predict Alzheimer's, says study