Backround and aim: Sleep problems such as poor quality or inadequate sleep can be an important factor in the development of behavioral problems in children. The resulting behavioral problems can also affect the child's daily life in a negative way. This study was conducted to determine the relationship between sleep quality and emotional-behavioral problems in secondary school students.
Method: This correlational study was conducted between February and May 2018 with 530 students in six secondary schools selected by stratified clustering sampling method in Sakarya. Data were collected by Socio-Demographic Form, Pittsburgh Sleep Quality Index (PSQI) and Strengths and Difficulties Questionnaire (SDQ). In both scales, the score increasing is considered to be negative. Descriptive statistics, Mann Whitney U test and correlation analysis were used for statistical evaluation. 
Results: The mean age of the students was 12.07 ± 1.37 years. The mean score of the PSQI was 4.34 ± 2.54 (min=0, max=16) and the mean score of the SDQ was 11.91 ± 5.56 (min=2, max=31). It was found that, 41.1% of the students have bad sleep quality and 21.1% of them were in the abnormal norms in terms of emotional and behavioral problems. A positive correlation was found between the PSQI and the SDQ (r=.53, p=.000). The hyperactivity-inattention, conduct problems, emotional symptoms and peer problems subscales' scores of SDQ were significantly higher in students with poor sleep quality than those with good sleep quality (p<0.05).
Conclusion: In this study, it was found that sleep quality was associated with behavior problems, and as sleep quality decreased, behavior problems increased.

0602 - RELATIONSHIP BETWEEN SLEEP QUALITY AND EMOTION-BEHAVIOR PROBLEMS IN SECONDARY SCHOOL STUDENTS