What tends to happen to circadian rhythms and sleep as people grow older?

Question

What tends to happen to circadian rhythms and sleep as people grow older?​

Quizplus · Accepted Answer

As people grow older, their circadian rhythms tend to shift earlier, making them more likely to be morning people. This is known as advanced sleep phase syndrome.

Answer: D 
 While some older adults may experience insomnia or difficulty staying asleep, on average, older adults tend to sleep more hours per night than younger adults. This is largely due to changes in the sleep-wake cycle and decreased activity levels.

What Tends to Happen to Circadian Rhythms and Sleep as People