Some degree of distractibility is normal for all of us and depends on a variety of factors, such as sleep quality, time of day, and interest in a particular subject matter or activity. ADHD distractibility is in a different category altogether.
There are plenty of old stereotypes that go along with kids not wanting to do their homework. Unfortunately, many of these stereotypes ring true, causing headache-inducing power struggles between parents and students every evening.
As kids get older, they consider it a rite of passage to get to stay up later. Meanwhile, weary parents ache over which scenario is worse—getting the kids to bed at a reasonable hour or trying to get them up for school in the morning.