https://www.selleckchem.com/pr....oducts/LAQ824(NVP-LA
To determine the differences between sleep habits and circadian preference in school-aged children attending a Mexican double-shift school system. This cross-sectional study consisted of 400 elementary public-school children (mean age=10.77, SD=0.70y, from fourth, fifth and sixth grades) in Reynosa, Tamaulipas, in northeastern Mexico. Attending a double-shift school system 200 from the morning shift and 200 in the afternoon shift. Specific questions regarding sleep habits were collected and for circadian preference, the Morni