Table 4.

Relationships between the observed and simulated sleep probability curves for the validation data sets

	Pearson Correlation (r)	Mean Sleep Quantity per Rest Period (hours)
	Observed × Simulated	Observed	Simulated
LHR-v
Pre-flight	0.98	15.7	15.5
Singapore	0.92	9.2	8.6
London	0.65	12.4	12.3
Singapore/Bangkok	0.95	17.1	15.6
Post-flight	0.85	19.2	18.5
LAX-v
Pre-flight	0.97	13.1	14.7
Auckland	0.92	10.2	7.8
Los Angeles	0.69	12.1	9.7
Post-flight	0.91	16.5	16.3
JFK-v
Pre-flight	0.94	15.3	15.6
Los Angeles	0.74	17.4	14.9
New York	0.95	24.5	23.4
Los Angeles	0.75	16.8	15.8
Post-flight	0.91	16.6	16.5
JNB-v
Pre-flight	0.92	12.5	15.1
Johannesburg	0.79	24.4	23.0
Post-flight	0.88	15.9	15.3

All correlations were significant at the 0.01 α level.