Table 4. Results from the multiple sleep latency test.

Parameter	NP	AP	p
SL, average	6.03±4.02	7.52±4.74	0.24
SL, session 1	3.73±2.64	6.40±5.35	0.049
SL, session 2	5.35±5.11	5.40±4.24	0.97
SL, session 3	6.45±5.91	8.18±7.05	0.35
SL, session 4	5.72±5.39	7.55±6.50	0.28
SL, session 5	8.92±6.31	10.05±8.07	0.60
SOREMPs, average	0.50±0.82	0.50±0.89	0.99
SOREMP, session 1	4 (13.3%)	2 (10.0%)	0.99*
SOREMP, session 2	3 (10.0%)	3 (15.0%)	0.67*
SOREMP, session 3	1 (3.3%)	3 (15.0%)	0.29*
SOREMP, session 4	4 (13.3%)	1 (5.0%)	0.64*
SOREMP, session 5	3 (10.0%)	1 (5.0%)	0.64*

^*Fisher's exact test.

AP: abnormal perception, NP: normal perception, SL: sleep latency, SOREMP: sleep-onset REM period.