. 2022 Jan-Mar;15(1):105–111. doi: 10.5935/1984-0063.20220031

Table 5.

Correlations coefficients between bedtime procrastination and the sleep routines variables.

	r	Effect size
Intended bedtime	.18^**	small
Actual bedtime	.65^**	large
Fall asleep time	.64^**	large
Intended wake-up time	.17^**	small
Actual wake-up time	.45^**	medium
Bedtime delay	.70^**	large
Wake-up delay	.40^**	medium
Sleep time duration	-.18^**	small
	r_pb	Effect size
Sleep time duration categories
Recommended	-.22^**	small
May be appropriate	.09^*
Not recommended	.24^**	small

Note:

^**

p < .01,

p < .05, sleep time duration categories (0 = no, 1 = yes).