Evidence That Sleep Is an Indicator of Overtraining during the Competition Phase of Adolescent Sprinters

Table 1

Descriptive characteristics of participants disaggregated based on athletes considered as adapted to and maladapted to training. Data are presented as mean ± SD.

Variable	Overall (N = 20)	MG (n = 7)	AG (n = 13)	value	d
Age (year)	15.9 ± 1.7	16.6 ± 1.9	15.5 ± 1.5	0.160	0.6
Height (cm)	173.0 ± 9.9	173.7 ± 10.4	172.6 ± 10.0	0.814	0.1
Weight (kg)	65.2 ± 12.7	67.1 ± 14.6	64.17 ± 12.17	0.634	0.2
BMI (kg/m^2)	21.6 ± 2.3	22.0 ± 2.8	21.3 ± 2.1	0.548	0.3
%BF	13.0 ± 5.0	12.0 ± 3.9	13.6 ± 5.6	0.510	0.4

MG: maladapted group; AG: adapted group; d: Cohen’ d effect size; %BF: percent body fat.