Table 1.

Mean ± SEM of the main sleep parameters obtained in the original study.

Sleep parameters	High-recallers	Low-recallers	Standard
TIB (min)	449 ± 10	479 ± 15	390–510
SPT (min)	428 ± 11	449 ± 11
WASO (min)	30 ± 4*	14 ± 5	20–30
TST (min)	398 ± 11*	435 ± 12
Sleep efficiency (%)	89 ± 1.4	91 ± 1.8	80–90
Sleep stage, % of TST
N1 (%)	4 ± 0.6	2 ± 0.6	5–10
N2 (%)	39 ± 1.7	41 ± 2.1	40–55
N3 (%)	36 ± 1.5	36 ± 2.3	25–30
REM sleep (%)	21 ± 1.2	21 ± 1.1	20–25
N2 latency from lights out (min)	19 ± 2.6	29 ± 6.2	20–30
N3 latency from lights out (min)	21 ± 3.3	32 ± 6.3
REM latency from lights out (min)	120 ± 13.2	133 ± 16.4
N3 latency from N2 (min)	5 ± 1.8	5 ± 1.5
REM latency from N2 (min)	104 ± 11.9	106 ± 12.9	60–120
WASO (%)	7 ± 0.9*	3 ± 1.1	5
Movements (%)	4 ± 0.5	4 ± 0.5
Indeterminate (%)	10 ± 1.4	10 ± 0.9

Table 1 is reproduced and modified from Eichenlaub et al. (2014a) with permission of the authors. Only values obtained with visual scoring (JBE) are reported. TIB refers to time in bed; SPT, sleep period time; WASO, wakefulness after sleep onset; TST, total sleep time; REM, rapid eye movement sleep; min, minutes. In comparison with the standard values presented in the last column (Hirshkowitz, 2004), the quality of sleep was generally preserved for the 36 subjects. *p < 0.05.