IMPRO	Multitask Performance Response Observation
TSST	Trier Social Stress Test
EDA	electrodermal activity
HPA	confirming hypothalamic–pituitary–adrenal (axis)
IMPRO	Multitask Performance Response Observation
TSST-G	TSST for Groups
SSST	Sing-a-Song Stress Test
MCTQ	Munich Chronotype Questionnaire
PSS	Perceived stress scale
ICS	flow immunochromatographic strip
ELISA	enzyme-linked immunosorbent assay
FDA	Food and Drug Administration
SCL	skin conductance level
ANOVA	analysis of variance
IQR	interquartile range
SD	standard deviation
CI	confidence interval
M	mean
nM	nanomolar (equivalent to nmol/L)
μS	microsiemens