Table 1

Total cumulative increase in wakefulness (minutes)^1-a

	n	Mean	S.E.	Duration
MOD 300^1-b	10	108.7	7.8	First 4 h post-treatment
Vehicle	20	10.6	3.7
METH 1.0^1-b	9	116.0	10.4
Vehicle	20	12.9	4.3

MOD 100	12	67.6	5.6	First 3 h post-treatment
Vehicle	20	14.0	3.2
METH 0.5	10	80.9	7.1
Vehicle	20	16.4	3.4

MOD 30^1-b	9	33.9	5.0	First 2 h post-treatment
Vehicle	20	16.7	2.8

↵1-a Total increase in minutes of wakefulness post-treatment over the corresponding base line period 24 h earlier. MOD, modafinil; METH, methamphetamine.
↵1-b Values of MOD and METH are stated in milligrams per kilogram i.p.