College students who go to bed late are more likely to have poor quality sleep, which may affect their mental health and academic performance, according to new research.
The study, conducted by Jung Kim, PhD, of Pohang University of Science in Technology in South Korea, was based on a survey of 399 college students in Korea.
"The present study shows that the greater one stayed up at night, the more maladjusted in college life, in terms of global mental health, sleep quality and academic performance," said Kim. "It seems important to give relevant information and helpful guidance on good sleep habits to students from the beginning of college life."
The amount of sleep a person gets affects his or her physical health, emotional well-being, mental abilities, productivity and performance. Recent studies associate lack of sleep with serious health problems such as an increased risk of depression, obesity, cardiovascular disease and diabetes.
Experts recommend that adults get between seven and eight hours of sleep each night to maintain good health and optimum performance. An abstract of this research was presented June 13 at SLEEP 2007, the 21st Annual Meeting of the Associated Professional Sleep Societies.
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