https://www.selleckchem.com/pr....oducts/sodium-succin 
  OBJECTIVES To (1) investigate differences by ethnicity and socio-economic status (SES), in objective measures of sleep in children aged 7-9 years and (2) determine whether measures of sleep predict child achievement in reading or mathematics after controlling for ethnicity and SES. METHODS Four groups of parent-child dyads were recruited Māori, low-SES schools (n = 18); Māori, high-SES schools (n = 17); NZ European, low-SES schools (n = 18); NZ European, high-SES schools (n = 17). Child sleep was measured by actigraphy. Parents
 
					 
						 
                    
                                     
       
       
       
       
       
       
       
       
       
         