Firefighter sleep: a pilot study of the agreement between actigraphy and self-reported sleep measures Firefighter sleep: a pilot study of the agreement between actigraphy and self-reported sleep measures Download Effect of sleep habits on academic performance in schoolchildren age 6 to 12 years: a cross-sectional observation study Genetic risk for subjective reports of insomnia associates only weakly with polygraphic measures of insomnia in 2,770 adults