Table 1.

Associations of genetic liability to ASD and ADHD with eight accelerometer-based measures of circadian timing and sleep quality and duration traits.

Exposure	Outcome	No. of used SNPs	β	p value
ASD	L5 timing	10	–0.006 (–0.020, 0.009)	0.440
	M10 timing	10	–0.001 (–0.013, 0.010)	0.807
	Sleep midpoint timing	10	–0.005 (–0.017, 0.007)	0.416
	Number of nocturnal sleep episodes	10	0.004 (–0.008, 0.015)	0.533
	Sleep efficiency	10	–0.004 (–0.016, 0.008)	0.486
	Diurnal inactivity duration	10	0.003 (–0.009, 0.016)	0.624
	Nocturnal sleep duration	10	–0.003 (–0.013, 0.008)	0.597
	Sleep duration variability (SD)	10	0.002 (–0.008, 0.013)	0.663
ADHD	L5 timing	18	–0.013 (–0.029, 0.003)	0.114
	M10 timing	18	0.001 (–0.014, 0.017)	0.857
	Sleep midpoint timing	18	0.003 (–0.013, 0.019)	0.735
	Number of nocturnal sleep episodes	18	0.017 (0.001, 0.033)	0.036*
	Sleep efficiency	18	–0.013 (–0.029, 0.003)	0.101
	Diurnal inactivity duration	18	0.009 (–0.007, 0.024)	0.268
	Nocturnal sleep duration	18	0.007 (–0.009, 0.023)	0.374
	Sleep duration variability (SD)	18	0.002 (–0.014, 0.018)	0.816

^*Nominal p < 0.05 but Benjamini–Hochberg-adjusted p > 0.05.