PLMS vs Healthy PLMS vs SAHS SAHS  vs Healthy
Sleep parameters t SD p t SD p t SD p
Sleep latency 0.37 43.2 0.71 0.2 40.2 0.81 0.28 21.5 0.77
Sleep efficiency -0.62 22.4 0.54 -0.57 18.3 0.57 -0.24 14.5 0.81
WASO 0.61 94.9 0.55 0.50 81.04 0.62 0.29 59.6 0.77
Number of waking 0.58 1.13 0.57 0.48 193 0.64 0.28 143 0.78
REM Latency 1.9 48.36 0.07 -0.43 101.7 0.67 1.4 95.2 0.17
First REM Period -2.07 0.08 0.06 -1.0 0.60 0.34 0.69 0.60 0.5
Total Sleep Time -0.41 118.9 0.68 -0.51 90.6 0.61 -0.03 77.3 0.97
SWS duration -2.56 70.5 *0.03 50.2 0.51 0.62 -6.01 34.38 *0.01
REM duration -1.8 41.7 0.10 1.0 32.9 0.33 -3.25 33.4 *0.01
W(%) 0.30 23.2 0.76 0.30 18.8 0.76 0.08 15.38 0.93
N1(%) 2.07 6.1 0.06 1.2 5.7 0.25 1.34 4.23 0.21
N2(%) 2.95 16.6 *0.01 -2.93 10.2 *0.01 5.25 15.06 *0.01
N3(%) -3.04 15.2 *0.01 0.80 11.7 0.44 -7.61 7.30 *0.01
R(%) -1.38 10.3 0.2 1.75 6.1 0.11 -2.78 9.03 *0.02
Table 4: The post-hoc t-tests of the differences in the sleep parameters between the three groups.