Table 3

Summary of the analysis of the effects of direction of rotation and continuity of system on the sleep measures (adjusted means)

	Continuous				Discontinuous		df		F_Direction		F_Continuity		F_Interaction
	Delaying														Advancing		Delaying				Advancing
	mean	SEM													mean	SEM	mean	SEM			mean	SEM
Sleep duration (h):
Morning	6.13	0.13		5.55	0.11		6.26	0.19		6.24	0.10	1,404	4.66^3-150	8.49^3-160	4.01^3-150
Afternoon	8.22	0.12		8.81	0.12		8.14	0.17		8.19	0.10	1,424	5.71^3-150	7.24^3-160	4.16^3-150
Before 1st night	8.89	0.20		9.18	0.15		9.20	0.25		9.03	0.14	1,286	0.10	0.16	1.42
Night	5.78	0.14		6.05	0.12		6.61	0.19		6.47	0.11	1,421	0.19	18.41^3-165	1.92
After last night	4.87	0.17		5.17	0.15		5.53	0.24		5.62	0.14	1,413	1.20	9.17^3-160	0.35
Rest	9.00	0.14		8.90	0.12		9.06	0.20		9.18	0.12	1,392	0.01	1.23	0.54

Sleep disturbance:
Morning	3.14	0.08		3.24	0.07		3.01	0.10		3.12	0.06	1,440	1.84	2.48	0.00
Afternoon	2.37	0.07		2.45	0.06		2.43	0.09		2.58	0.05	1,440	2.70	1.90	0.31
Night	3.28	0.08		3.05	0.07		2.96	0.10		3.24	0.06	1,440	0.06	0.66	9.44^3-160
After last night	3.54	0.16		3.64	0.10		3.32	0.13		3.44	0.08	1,240	0.80	3.04	0.00
Rest	2.29	0.06		2.13	0.06		2.22	0.08		2.13	0.05	1,427	1.08	0.32	0.28

↵3-150 =p<0.05;
↵3-160 p<0.01;
↵3-165 p<0.001.