Research Article

Cardiovascular Consequences of Repetitive Arousals over the Entire Sleep Duration

Table 5

Correlation analysis of , , and with sleep parameters.


TST−0.006−0.4390.424
N10.125−0.131−0.169
N2−0.034−0.1330.188
N30.251−0.1200.112
REM−0.127
N1%0.1670.269−0.326
N2%−0.1990.135−0.119
N3%0.235−0.1010.094
REM%−0.128
ArI0.1340.061−0.108

, relative overnight difference (overnight change/presleep measure) on the test night; DBP, diastolic blood pressure; HF, high frequency power; LHR, low frequency to high frequency ratio; TST, total sleep time; N1, non-rapid-eye movement sleep stage 1; N2, non-rapid-eye movement sleep stage 2; N3, non-rapid-eye movement sleep stage 3; REM, rapid eye movement sleep; N1%, the percentage of N1; N2%, the percentage of N2; N3%, the percentage of N3; REM%, the percentage of REM; ArI, arousal index. correlation is significant with .