Table 5.

Overview of the sleep and mood analysis [energy-restricted group (ER), control group (CG), PSQI-G (Pittsburgh sleep quality index–German)].

		Week 0	Week 1	Week 2	Week 3	Week 4	Week 5	Week 6
Sleep per night (hours)	ER	7.42 ± 0.87	7.70 ± 1.02§	7.71 ± 0.74	7.56 ± 0.63	7.63 ± 0.63	7.74 ± 0.80	7.67 ± 1.15
	CG	7.00 ± 0.96	7.25 ± 0.77	7.37 ± 0.65	7.45 ± 1.01	7.51 ± 0.94	7.38 ± 0.73	7.22 ± 1.30
Time to fall asleep (minutes)	ER	12.54 ± 7.19	13.58 ± 10.92	12.72 ± 9.77	14.46 ± 8.34	14.45 ± 14.89	18.01 ± 21.80	10.65 ± 6.74
	CG	18.89 ± 17.23	12.16 ± 8.36	12.18 ± 8.28	16.66 ± 19.89	11.40 ± 8.32	10.84 ± 6.40	7.05 ± 4.20
PSQI-G-score	ER		5.14 ± 1.75		3.93 ± 0.92		3.71 ± 1.27*
	CG		5.07 ± 2.23		5.14 ± 1.51		4.43 ± 2.03*
POMS-G
Depression/anxiety	ER		24.86 ± 9.54		24.86 ± 9.45		22.50 ± 7.52
	CG		23.86 ± 9.78		27.43 ± 12.43		26.36 ± 13.70
Fatigue	ER		21.00 ± 6.19		21.21 ± 7.56		17.57 ± 8.67
	CG		21.14 ± 6.70		20.14 ± 6.89		22.36 ± 8.02
Vigor	ER		33.00 ± 6.26		31.50 ± 5.49		30.21 ± 8.05*
	CG		32.21 ± 4.89		31.57 ± 7.94		27.50 ± 8.90*
Hostility	ER		14.50 ± 6.98		13.93 ± 8.22		10.86 ± 5.48
	CG		14.43 ± 6.05		16.79 ± 8.26		16.07 ± 9.47

^§Indicates a significant difference between week 0 and week 1 (p < 0.05);

^*significantly differed to week 1 (p < 0.05).