The Night-Time Sleep and Autonomic Activity of Male and Female Professional Road Cyclists Competing in the Tour de France and Tour de France Femmes

Sports Medicine - Open

Table 6 Results of the linear mixed models examining variables across days of the race in female cyclists

Variable	F	df	p value
TRIMP (au)	24.05	1, 7	< .001
Daily strain (au)	61.70	1, 9	< .001
Sleep onset (hh:mm)	10.01	1, 9	< .001
Sleep offset (hh:mm)	1.47	1, 9	.176
Time in bed (h)	5.26	1, 9	< .001
Total sleep time (h)	6.19	1, 9	< .001
Sleep efficiency (%)	0.60	1, 9	.795
Light sleep (%)	2.96	1, 9	.005
Slow wave sleep (%)	0.32	1, 9	.968
REM sleep (%)	2.07	1, 9	.043
Resting HR (beats·min⁻¹)	0.98	1, 9	.461
HRV-rMSSD (ms)	0.08	1, 9	.999

TRIMP training impulse, au arbitrary units, REM rapid eye movement, HR heart rate, HRV heart rate variability, rMSSD root mean square of successive differences, ms milliseconds