Skip to main content

Table 1 SOREMS episodes, episodes of NLMT, slow wave activity

From: Non-rapid eye movement sleep with low muscle tone as a marker of rapid eye movement sleep regulation

 

Night sleep

Morning sleep

SOREMS episodes

Number/total number of sleep episodes

1/63

40/63

Duration [min], mean ± SEM, n = 14

 

12.8 ± 2.8

Latency [min], mean ± SEM, n = 14

 

7.6 ± 1.3

Frequency of epochs of NLMT (n = 16)

Number/number of epochs of NREMS [%]

19.7 ± 3.1

36.2 ± 5.0*

Episodes of NLMT at sleep onset

Number/total number of sleep episodes without SOREMS

22/62

14/23

Duration [min], mean ± SEM

19.2+6.6 (n = 12)

19.9 ± 6.3 (n = 7)

Latency [min], mean ± SEM

6.4 ± 1.2 (n = 12)

1.5 ± 0.5 (n = 7)

Slow-wave activity (n = 16)

SWA [μV2] mean ± SEM

552.6 ± 42.3

361.3 ± 33.7**

SWE [μV2s] mean ± SEM

39772.3 ± 4220.0

20293.7 ± 1853.0**

  1. SOREMS: Sleep Onset REMS episodes (REMS episodes with latency < 20 min). NLMT: NREMS with low muscle tone. For NLMT at sleep onset, only sleep episodes without SOREMS were considered. SWA: mean slow wave activity (EEG power in the 0.75 – 4.5 Hz range) in the first NREMS episode. SWE: slow wave energy (cumulative SWA in NREMS) in the first NREMS episode.
  2. * p < 0.01, ** p < 0.001; comparison of night and morning sleep episodes by paired t-tests