Table 10.

Mean, SD, 95% CI, and paired t test results for the actigraphy versus Samsung watch estimates of sleep onset latency.

Parameter		Mean (SD)	95% CI	t value (df)	P value
Sleep onset latency (min)
	t test	N/Aa	N/A	−10.08 (133)	<.001
	Actigraphy	0.99 (1.38)	0.75-1.22	N/A	N/A
	Samsung watch	13.79 (14.86)	11.25-16.33	N/A	N/A

^aN/A: not applicable.