Tendency of the groups to have SOREM periods from NREM1, NREM2 or wake
| Group | SOREM periods from NREM1 | SOREM periods from NREM2 | SOREM periods from wake |
|---|---|---|---|
| N+C* | 48/64 (75%) | 14/64 (21%) | 2/64 (3.1%) |
| N−C* | 52/101 (52%) | 46/101 (46%) | 3/101 (2.9%) |
| IH | 0/1 (0%) | 1/1 (100%) | 0/0 (0%) |
| BIISS | 0/6 (0%) | 6/6 (100%) | 0/0 (0%) |
| PLMD | 0/4 (0%) | 4/4 (100%) | 0/0 (0%) |
SOREM periods from NREM1 or wake only for the N+C and N−C groups.
*p=0.0024 for the N+C versus N−C group. Fisher's exact test was performed.
BIISS, behaviourally induced inadequate sleep syndrome; IH, idiopathic hypersomnia; N+C, narcolepsy with cataplexy; N−C, narcolepsy without cataplexy; NREM, non-rapid eye movement sleep; PLMD, periodic limb movement disorder; SOREM, sleep onset rapid eye movement.