They keep you active. If you have a dog, chances are you’re walking it at least 30 minutes a day—an activity that goes a long way towards keeping you fit. In fact, a British study of dog owners found that, on average, walking a pup added an about 20 more minutes of physical activity per day than non-dog owners get.       According to a survey of 6, 500 retired British, dog owners were more likely to have an easier time falling asleep at night than non-dog owners.

They improve your social ability.

They improve your mental health.

This immunity benefit doesn’t stop in childhood.

This regular exercise helps keep a healthy weight.

It is an important contributor to heart disease.

Here are the four reasons why your pet is worth an extra treat today.

Moreover, regular exercise from pet care may also improve sleep quality.

下文 “According to a survey of 6, 500 retired British, dog owners were more likely to have an easier time falling asleep at night than non-dog owners. (一项针对6500名英国退休人员的调查显示，养狗的人比不养狗的人晚上更容易入睡。)” 举例陈述了一个调查结果：养宠物有助于睡眠，G项 “此外，定期照顾宠物也可以改善睡眠质量” 引出下文，符合题意。故选G。