Autonomic Cardiovascular Control in Hyperthyroid Women during Sleep

Table 2

Sleep parameters in Hyperthyr and Euthyroid subjects extracted from the analysis of polysomnographic studies.

	Hyperthyr	Euthyroid
TIB (min)	478±35.8	471.8±73
SPT	481.3±33.2	444.8±83.8
Sleep efficiency	90.6±3.3	92±3.5
N1	6.5±4.3	5.0±1.7
N2	56.9±7.5	62.9±11.1
N3	9.8±6.8	9.8±6.8
REM	16.6±7.3	15.3±6.4
PLM/h	9.8±6.9	6.0±4.0^∗
Arsl/h	8.0±5.4	6.2±3.1
Awake + arousal/h	8.9±5.5	6.6±3.2
AHI	1.7±1.5	1.4±1.3
Mean SaO2	95.7±0.9	96.1±0.8

Data are presented ±SD. TIB: time in bed; SPT: sleep period time; PLM: periodic leg movements; Ars/h: arousals per hour; AHI: apnea/hypopnea index. ^∗𝑝<0.05 versus Hyperthyr.