D'Agata, M N.; Fedele, B; Hoopes, E K.; and Witman, M A. FACSM
"Consistency is Key for Activity: Sleep Duration Regularity is Associated with Increased Activity in Children,"
International Journal of Exercise Science: Conference Proceedings: Vol. 9:
11, Article 95.
Available at: https://digitalcommons.wku.edu/ijesab/vol9/iss11/95