Table 1.

Spectral analysis of HRV in RES subjects during sleep

	D3	D5	D11	D14
HR (bpm)
W	64 ± 6 1 , 2	63 ± 7 1 , 2	64 ± 7 1 , 2	67 ± 9 1 , 2
N2	57 ± 4	58 ± 6	61 ± 6	59 ± 8
N3	58 ± 5	58 ± 5	61 ± 7	61 ± 8
REM	60 ± 5	63 ± 5 1 , 2	65 ± 6 1 , 2 , 3	66 ± 6 1 , 2 , 3
TP (ms2)
W	5039 ± 2927	5989 ± 2407	5829 ± 2250	4950 ± 2847
N2	5078 ± 2447	6725 ± 5921	4761 ± 5140	5163 ± 3197
N3	3467 ± 2137	3115 ± 1894	3149 ± 2689	3063 ± 2890
REM	5361 ± 2275	5059 ± 1983	4214 ± 2531	4558 ± 2222
LF/HF
W	4.6 ± 5.2	2.2 ± 1.5	3.5 ± 4.1	2.3 ± 1.4
N2	2.2 ± 2.1	4.4 ± 4.7	1.7 ± 1.3	2.3 ± 2.0
N3	2.1 ± 1.9	2.3 ± 2.2	2.6 ± 3.1	1.5 ± 1.9
REM	4.6 ± 6.0	4.4 ± 4.3	7.3 ± 5.1 1 , 2	4.9 ± 5.4
RESP HF (Hz)
W	0.28 ± 0.09	0.26 ± 0.02	0.25 ± 0.02	0.27 ± 0.01
N2	0.24 ± 0.03	0.23 ± 0.02	0.27 ± 0.03	0.23 ± 0.03
N3	0.25 ± 0.03	0.24 ± 0.02	0.24 ± 0.02	0.24 ± 0.02
REM	0.26 ± 0.02	0.24 ± 0.02	0.25 ± 0.01	0.3 ± 0.03
K2 RR‐RESP
W	0.76 ± 0.18 1 , 2	0.67 ± 0.16 1 , 2	0.75 ± 0.21 1 , 2	0.81 ± 0.11 4
N2	0.93 ± 0.04	0.88 ± 0.08	0.93 ± 0.04	0.94 ± 0.04
N3	0.94 ± 0.05	0.95 ± 0.05	0.96 ± 0.03	0.96 ± 0.03
REM	0.81 ± 0.07	0.82 ± 0.08	0.76 ± 0.12 1 , 2	0.80 ± 0.12

Data are presented as mean ± SD.

P < 0.05: ¹versus N2, ²versus N3, ³versus D3, ⁴versus D5.