수면은 신체 기능의 회복과 항상성 유지에 중요하며 에너지 보존에 필수적인 요소로써 규칙적인 신체활동과 더불어 건강을 유지하는데 필수적이다. 수면을 충분히 취하지 못하면 집중력과 기억력 저하, 과도한 졸림 등으로 인해 생활에 장애를 받는다. 또한 부족한 수면은 활력을 저하시키며 정서적으로 우울 및 불안, 스트레스를 유발할 수 있다(정규인, 송찬희, 2001; Miller, 1990; Owens & Matthews, 1998; Pailhouse, Benoit, Goldenberg, Bouard & payant, 1998).
"The purpose of this study was to investigate the effect of sleep hours and physical activity on psychological factors in Children. A total of 181 children participated in this study and physical activity was measured over 7days by pedometer. In order to verify psychological factors, CDI(Children's Depression Inventory), RCMAS(Children's Manifest Anxiety Scale), Self-Esteem Inventory were used. We found the following results. First, the children with shorter sleep hours had significantly higher level of depression level and lower self esteem than the children with longer sleep hours. Second, the children with higher physical activity level had significantly lower depression, lower anxiety and higher self esteem. Third, According to sleep hours and physical activity, there was no interaction effect in psychological factors. Fourth, physical activity had a negative effect on self esteem and had a positive effect on depression and anxiety. ※ Key words : Sleep Hours, Physical Activity, Anxiety, Depression, Self-esteem"
\"Ⅰ. 서론 Ⅱ. 연구방법 Ⅲ. 연구결과 Ⅳ. 논의 및 제언 참고문헌\"
