According to new study, children who get adequate sleep tend to perform better in math and languages.

Experts said that math and languages are subjects that are predictors of later learning and academic success and adequate sleep is essential to succeed. They said that with greater "sleep efficiency" helps children do better in maths and languages. They also found that grades in science were not affected with sleeping habits.

They said that sleep efficiencyis an indicator of sleep quality that compares the amount of actual sleep time with the total time spent in bed. They also said that executive functionsrefer to the mental skills involved in planning, paying attention and multitasking, among others. They studied a total of 75 healthy children aged between seven to 11 years for the study.

"We believe that executive functions underlie the impact of sleep on academic performance, and these skills are more critical in math and languages than in other subjects. Short or poor sleep is a significant risk factor for poor academic performance that is frequently ignored," said Reut Gruber from Douglas Mental Health University Institute in Montreal.