Task: Answer Verification
Input (English): Question: Is sleep efficiency ( but not sleep duration ) of healthy school-age children associated with grades in math and languages?
Answer: Sleep efficiency, but not sleep duration, is associated with academic performance as measured by report-card grades in typically developing school-aged children. The integration of strategies to improve sleep efficiency might represent a successful approach for improving children's readiness and/or performance in math and languages.
Output (English): yes