1. Reza B, Foroozan K, Mohammad T. A comparative review on seep stage classification methods in patients and healthy individuals. Comput Methods Programs Biomed, 2016, 19(7): 67-70.
3. Krenk L, S?rensen G L, Kehlet H, et al. Heart rate response during sleep in elderly patients after fast-track hip and knee arthroplasty. Sleep Biol Rhythms, 2015, 13(3): 229-234.
[4]
4. Mork P J, Nilsson J, Lor?s H W, et al. Heart rate variability in fibromyalgia patients and healthy controls during non-REM and REM sleep: a case-control study. Scand J Rheumatol, 2013, 42(6): 505-508.
8. Redmond S J, Chazal P D, Brien C O, et al. Sleep staging using cardiorespiratory signals. Somnologie, 2007, 11: 245-256.
[9]
9. Aktaruzzaman M, Migliorini M, Tenhunen M, et al. The addition of entropy-based regularity parameters improves sleep stage classification based on heart rate variability. Med Biol Eng Comput, 2015, 53(5): 415-425.
[10]
10. Huang R J, Lai C H, Lee S D, et al. Scaling exponent values as an ordinary function of the ratio of very low frequency to high frequency powers in heart rate variability over various sleep stages. Sleep Breath, 2016, 20(3): 975-985.
[11]
11. Brink M, Müller C H, Schierz C. Contact-free measurement of heart rate, respiration rate, and body movements during sleep. Behav Res Methods, 2006, 38(3): 511-521.
[12]
12. Kortelainen J M, Mendez M O, Bianchi A M, et al. Sleep staging based on signals acquired through bed sensor. IEEE Trans Inf Technol Biomed, 2010, 14(3): 776-785.
15. Wisse P, Rolf F, Robert H A, et al. Time and state dependent analysis of autonomic control in narcolepsy: higher heart rate with normal heart rate variability independent of sleep fragmentation. Journal of Sleep Research, 2015, 24(2): 206-214.
[16]
16. Ebrahimi F, Setarehdan S K, Nazeran H. DFA- and DWT-based features of HRV signal for automatic sleep staging// Proceedings of the 19th Itanian Conference on Biomedical Engineering. Tehran, Iran: 2016: 21-22.
[17]
17. Muzet A, Werner S, Fuchs G, et al. Assessing sleep architecture and continuity measures through the analysis of heart rate and wrist movement recordings in healthy subjects: comparison with results based on polysomnography. Sleep Med, 2016, 21: 47-56.
[18]
18. Ayappa I, Norman R G. Comparison of limited monitoring using a nasal-cannula flow signal to full polysomnography in sleep-dsordered breathing. Sleep, 2004, 27(6): 1117-1171.
[19]
19. Mendez M O, Matteucci M, Cerutti S, et al. Automatic detection of sleep macrostructure based on bed sensors// Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2009. EMBC 2009. Minneapolis, MN, USA: 2009: 1-4.
[20]
20. Wains S A, El-Chami M, Lin H S, et al. Impact of arousal threshold and respiratory effort on the duration of breathing events across sleep stage and time of night. Respir Physiol Neurobiol, 2017, 237: 35-41.
[21]
21. Hall M H, Middleton K, Thayer J F, et al. Racial differences in heart rate variability during sleep in women: the study of women across the nation sleep study. Psychosom Med, 2013, 75(8): 783-790.
[22]
22. Heimann K, Heussen N, Vae?en P, et al. Basic values for heart and respiratory rates during different sleep stages in healthy infants. Biomed Tech (Berl), 2013, 58(1): 27-34.