Table 1.

Factor loadings of the AIS-NCA among athletes.

	7 items		6 items
	Sleep problems	Daytime functioning	Sleep problems	Daytime functioning
Item 1	0.580	0.350	0.541	0.361
Item 2	0.843	0.075	0.862	0.104
Item 3	0.779	0.020	0.815	0.050
Item 4	0.624	0.512	-	-
Item 5	0.260	0.814	0.238	0.822
Item 6	0.099	0.842	0.101	0.855
Item 7	0.072	0.756	0.078	0.763

The bold numbers in the table indicate that the item can be attributed to that dimension.