Journal of Circadian Rhythms

Table 1 Illumination value (Lux) of all subjects in the third group (G3)

From: A tryptophan-rich breakfast and exposure to light with low color temperature at night improve sleep and salivary melatonin level in Japanese students

	Standing under the light*						Sitting as usual^#
	Fluorescent			Incandescent			Fluorescent			Incandescent
	Max	Min.	Ave	Max	Min	Ave	Max	Min	Ave	Max	Min	Ave
A	579	571	574	76	74	74	173	158	166	27	25	26
B	845	601	774	42	38	40	143	122	130	30	18	24
C	186	160	170	18	18	18	34	32	33	9	9	9
D	358	344	352	21	15	18	108	100	105	23	9	18
E	1120	1050	1019	32	28	30	89	86	87	18	15	17
F	1042	1013	1025	42	38	40	272	246	257	5	5	5
G	644	572	604	52	50	51	168	103	144	21	19	19
H	3997	2479	2942	70	61	63	284	277	281	39	38	38
I	1200	1002	1106	24	23	23	205	122	163	7	8	7
J	1155	1106	1132	41	41	41	196	184	189	8	6	6
K	657	651	654	72	70	70	65	64	64	20	18	20
L	173	137	148	26	8	19	134	128	130	18	9	18
M	1092	908	1025	377	360	370	597	263	341	50	37	50
N				64	59	61	1			131	114	131
O	505	433	465	160	133	150	231	145	86	39	9	39
P	1307	1193	1264	438	431	434	42	41	41	45	45	45
Q	591	542	572	140	129	136	149	146	147	24	20	24
R	1376	1078	1213	544	483	511	66	49	52	9	8	9
S	1	0	1	346	254	316	1	1	1	24	19	24
T	31	30	30	207	193	202	65	58	61	29	23	29

The surface of illumination meter sensor was put vertically just in front of eyes of participants who are standing* or sitting^# and illumination value was measured.

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