The Effect of Bedding System Selected by Manual Muscle Testing on Sleep-Related Cardiovascular Functions

Table 2

Summary of the polysomnographic data and PSQI scores collected at each stage during the 2-week trials of the control, weak and strong bedding systems.

Parameters	Control	Weak	Strong
Total sleep time (min)	440.6±20.7	379.3±19.2	396.6±23.1
Sleep latency (min)	9.7±3.1	10.9±4.3	16.8±4.1
NREM stage 1 sleep (min)	24.8±3.0	24.3±2.4	20.2±2.9
NREM stage 2 sleep (min)	237.3±17.1	196.4±13.2^∗	202.3±16.4^∗
Slow wave sleep (min)	51.2±7.6	57.1±11.6	53.5±5.8
REM sleep (min)	127.0±9.8	101.6±8.6	120.8±9.7
Wake after sleep onset (min)	30.2±3.3	31.3±5.5	27.4±4.3
Sleep efficiency (%)	91.7±0.9	90.2±1.5	89.9±1.2
NREM stage 1 sleep (%)	5.6±0.6	6.6±0.8	5.1±0.7
NREM stage 2 sleep (%)	53.5±1.9	52.0±2.7	50.6±1.7
Slow wave sleep (%)	12.2±2.0	14.7±2.7	13.9±1.6
REM sleep (%)	28.7±1.5	26.7±1.9	30.5±1.7
Number of arousals in sleep	45.2±7.1	30.6±2.7^∗	28.7±3.0^∗
Arousal index in sleep	6.2±1.0	4.8±0.4^∗	4.3±0.3^∗
Global PSQI	5.7±0.8	4.0±0.5	3.6±0.4
Sleep latency of PSQI	1.3±0.2	0.6±0.2^∗	0.8±0.1^∗
Sleep disturbance of PSQI	0.9±0.2	1.1±0.3	0.4±0.2

Data for the weak and strong bedding systems were from ambulatory polysomnographic recordings. Values are presented as means ± SEM; 𝑛=10. ^∗𝑃<0.05 versus the participant’s control bedding system.