Table 1 Polysomnography parameters of a homicidal woman with schizophrenia, alcoholismand features of antisocial personality disorder and of three healthy female controls. REM = rapid eye movement sleep, S1–S4 = sleep stages 1–4, SWS = slow wave sleep.
| Â | patient | controls mean (SD) | control 1 | control 2 | control 3 |
|---|---|---|---|---|---|
time in bed (min) | 475.5 | 562.0 (10.00) | 552.0 | 562.0 | 572.0 |
sleep latency (min) | 56.0 | 19.0 (7.26) | 18.5 | 26.5 | 12.0 |
sleep period (min) | 419.5 | 543.0 (14.76) | 533.5 | 535.5 | 560.0 |
awakenings (n) | 14 | 7.7 (0.58) | 7 | 8 | 8 |
wake after sleep onset (min) | 56.0 | 30.3 (2.02) | 30.0 | 28.5 | 32.5 |
total sleep time (min) | 363.5 | 512.7 (12.97) | 503.5 | 507.0 | 527.5 |
sleep efficiency (%) | 86.7 | 94.4 (0.25) | 94.4 | 94.7 | 94.2 |
REM latency (min) | 52.5 | 85.8 (5.01) | 81.0 | 85.5 | 91.0 |
S1 (%) | 3.3 | 6.9 (0.90) | 6.0 | 7.8 | 6.8 |
S2 (%) | 33.2 | 53.1 (1.66) | 51.3 | 53.3 | 54.6 |
S3 (%) | 15.7 | 7.8 (1.41) | 7.7 | 6.5 | 9.3 |
S4 (%) | 26.1 | 11.6 (2.07) | 14.0 | 10.7 | 10.2 |
SWS (%) | 41.8 | 19.5 (2.25) | 21.7 | 17.2 | 19.5 |
REM (%) | 21.7 | 20.6 (1.35) | 21.0 | 21.7 | 19.1 |