Demographics and study details. Numbers in parentheses indicate characteristics for soldiers who provided samples at both time points

Table 1: Demographics and study details. Numbers in parentheses indicate characteristics for soldiers who provided samples at both time points

	Study 1	Study 2
n	103 (76)	74 (45)
Age in years	25.69 ± 4.09 (25.95 ± 4.00)	23.48 ± 3.90 (24.00 ± 3.14)
Baseline saliva sampling time	1400	1100
Sleep Loss saliva sampling time	0500	0400
Training activities	Paratrooper preparation	Ground assault preparation