Cardiovascular Consequences of Repetitive Arousals over the Entire Sleep Duration

Table 2

Sleep parameters on the control night and the test night.

	Control	Test
TST/min	390 (44)	368 (54)
N1/min	42 (16, 46)	39 (17)
N2/min	263 (52)	248 (40)
N3/min	21 (17)	4 (0,
REM/min	66 (22)	70 (22)
N1%	11.2 (4.0, 12.2)	10.7 (4.3)
N2%	67.1 (8.7)	68.1 (7.6)
N3%	5.2 (4.2)	1.3 (0.0, 4.1)
REM%	17.0 (5.6)	18.4 (4.4)
ArI/h^−1	15.1 (3.1)	43.9 (9.1)^†

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; from control condition; from control condition.