Homework and sick

Editor’s Note: CNN contributor Amanda Enayati ponders the theme of seeking serenity: the quest for well-being and life balance in stressful times. Follow her on Twitter or Facebook . New research shows that some students are doing more than three hours of homework a night – and that all that school work may be literally making them sick.

However, many of us do not have the option of taking time off to recover. Many workers don't have paid sick leave options, and others might worry about getting behind on work or school during sick days. As many as 90% of workers have gone in to work sick.

New research shows that some students are doing more than three hours of homework a night – and that all that school work may be literally making them sick. It may be tempting to dismiss this latest research, conducted in upper-middle-class areas, as yet another manifestation of the eccentricities of the affluent.

Stanford research shows pitfalls of homework A Stanford researcher found that students in high-achieving communities who spend too much time on homework experience more stress, physical health problems, a lack of balance and even alienation from society. More than two hours of homework a night may be counterproductive, according to the study.