Table 5.

Significant ANOVA results for sleep cycle analysis in 18 women with severe PMS and 16 controls in the Follicular and Late-luteal phases of the menstrual cycle.

	Group	Phase	Cycle	Group x Phase
NREM-REM sleep cycle duration	ns	F(1,32) = 5.2 p = 0.03	ns	F(1,32) = 5.7 p = 0.02
NREM sleep episode duration	ns	Ns	F(2,64) = 4.1 p = 0.04	F(1,32) = 9.4 p < 0.01
REM sleep episode duration	ns	F(1,32) = 5.9 p = 0.02	F(2,64) = 38.3 p < 0.01	ns
Delta power in NREM episodes	F (1,32) = 4.4, p = 0.04	Ns	F(2,64) = 44.8 p < 0.001	ns
Sigma power in NREM episodes	ns	F(1,32) = 10.8 p < 0.01	F(2,64) = 6.1 p < 0.01	ns

ns = not significant