Table 3: Profile of Mood States (POMS), Post-Sleep Inventory (PSI), Stanford Sleepiness Scale (SSS), and Visual Analog Scale (VAS) assessments of sleepiness and mood in control (control) versus cocaine-dependent (COC) participants data are displayed as mean (Standard Deviation).

Sig.BaselineSig.Sleep deprivedSig.RecoverySig.
ControlCOCControlCOCControlCOC

POMS
 Depression PM3.4 (1.6)11.6 (4.9)2.6 (1.4)3.3 (1.7)2.5 (1.6)7.0 (3.5)
 Depression AM3.4 (1.6)3.3 (1.3)3.3 (1.7)5.0 (2.6)2.5 (1.8)4.1 (1.5)
 Vigor PM16.9 (2.2)12.0 (2.2)14.5 (2.2)10.3 (2.3)10.1 (2.5)5.0 (1.5)*
 Vigor AM10.5 (2.3)7.0 (2.0)7.9 (2.1)7.1 (1.7)9.5 (2.3)4.9 (2.5)
 Fatigue PM3.4 (0.8)2.5 (1.2)3.7 (1.0)4.0 (1.3)9.4 (1.7)13.3 (1.8)*
 Fatigue AM4.1 (0.8)3.5 (0.8)9.1 (1.8)9.0 (1.3)*5.8 (1.2)4.9 (1.2)
 Tension PM5.3 (1.1)7.0 (2.4)5.5 (1.0)5.9 (1.7)5.5 (1.2)8.8 (1.5)
 Tension AM4.3 (1.0)4.3 (0.7)4.7 (1.2)6.5 (2.0)4.2 (1.2)4.3 (0.6)
PSI
 Restless6.2 (0.8)8.1 (1.1)8.4 (1.0)5.3 (1.3)§
 Depth7.0 (0.8)7.7 (0.7)9.4 (1.0)4.1 (0.5)
 Mood PM9.5 (0.7)5.3 (0.9)9.6 (0.7)4.6 (0.6)
 Mood AM8.1 (0.7)5.0 (0.9)8.2 (0.8)5.9 (1.2)
 Rested6.8 (0.8)5.7 (1.0)5.6 (0.8)7.6 (1.3)
 Difficulty waking8.5 (0.9)3.7 (0.6)6.1 (0.8)3.8 (0.5)
 Physical ailments8.9 (0.7)5.3 (0.7)8.4 (0.7)6.0 (0.9)
 Frequency of waking6.9 (0.6)5.9 (1.3)9.6 (0.9)5.6 (1.4)
SSS
 Evening3.7 (0.4)4.0 (0.8)2.6 (0.3)2.9 (0.7)5.2 (0.5)6.0 (0.5)*
 Morning3.8 (0.4)4.1 (0.5)4.5 (0.5)5.1 (0.4)3.9 (0.4)4.0 (0.7)
VAS
 Evening49.4 (6.7)25.3 (7.8)57.9 (7.3)58.9 (7.5)*20.4 (4.4)14.0 (8.6)*
 Morning50.4 (5.9)41.1 (8.4)29.0 (6.7)23.9 (5.4)*41.9 (6.5)33.6 (6.3)

Significance (Sig.): *sleep night ; group ; sleep night*group interaction .