Table 1: Mean and standard deviation of densities and the paired T-test between each time point and the baseline over the time in different steps.

Light Env	Time	Step 1	P-Value	Step 2		Step 3
Baseline	Baseline	2.272 ± 0.106		1.992 ± 0.153		1.424 ± 0.065
Natural	10 min	2.280 ± 0.184	0.938	2.056 ± 0.271	0.705	1.410 ± 0.048	0.699
	30 min	1.706 ± 0.266	0.009	1.596 ± 0.276	0.035	1.164 ± 0.071	0.004
	240 min	1.718 ± 0.131	0.003	1.530 ± 0.163	0.018	1.042 ± 0.048	<0.001
	480 min	1.510 ± 0.140	<0.001	1.336 ± 0.122	0.002	0.974 ± 0.061	<0.001
Dark room	10 min	2.166 ± 0.056	0.060	1.850 ± 0.043	0.122	1.348 ± 0.029	0.038
	30 min	1.630 ± 0.021	<0.001	1.412 ± 0.035	0.001	1.066 ± 0.076	0.003
	240 min	1.588 ± 0.204	0.003	1.406 ± 0.218	0.009	0.944 ± 0.091	0.001
	480 min	1.408 ± 0.142	0.001	1.354 ± 0.166	0.007	0.868 ± 0.101	<0.001
Yellow	10 min	2.126 ± 0.093	0.003	1.926 ± 0.140	0.405	1.308 ± 0.070	0.001
	30 min	1.860 ± 0.290	0.053	1.688 ± 0.237	0.125	1.076 ± 0.051	<0.001
	240 min	1.566 ± 0.092	<0.001	1.428 ± 0.068	0.003	0.978 ± 0.066	<0.001
	480 min	1.418 ± 0.116	<0.001	1.248 ± 0.051	0.001	0.854 ± 0.008	<0.001
White	10 min	2.186 ± 0.059	0.114	1.850 ± 0.080	0.194	1.324 ± 0.028	0.021
	30 min	1.638 ± 0.185	0.003	1.464 ± 0.105	0.004	1.074 ± 0.042	0.001
	240 min	1.570 ± 0.152	0.001	1.412 ± 0.146	0.008	1.008 ± 0.013	<0.001
	480 min	1.502 ± 0.289	0.007	1.350 ± 0.231	0.014	0.876 ± 0.131	0.002