Over-55s also try hardest to have at least six hours" sleep and plenty of fresh air, according to research done in the UK for fruit brand Florida Grapefruit."

该项为“佛罗里达柚”水果品牌开展的调查显示，55岁以上的受访者努力保证每天至少六个小时的睡眠时间，并尽量让自己呼吸大量的新鲜空气。