Table 2.

Measured melatonin values of four cases

Time	Case 1	Case 2	Case 3	Case 4
12.00 pm	0.9
6.00 pm	< 0.5	< 0.5		0.8
7.00 pm		1.7		0.9
8.00 pm	1.6	6.3 (DLMO 7.30)	0.5	< 0.5
9.00 pm	< 0.5	< 0.5^	0.5	< 0.5
10.00 pm			1.0	1.1 (DLMO 10.13)
11.00 pm			4.6 (DLMO 10.50)	14.2
12.00 pm			6.5	28.01
1.30 am	*	4.8
6.00 am		8.0		1.2
7.00 am	*			> 50.0^
8.00 am				2.2
9.00 am	< 0.5

Values are represented as pg/ml measured in saliva

^*Not enough material for detection

^Suspected measurement error due to food intake (breakfast)

DLMO Dim Light Melatonin Onset (the estimated time at which salivary melatonin reaches 4 pg/ml)