1. Lung National Heart, Blood Institute, Your guide to healthy sleep. U.S. Department of Health and Human Services, Booklet 11-5271 (2011).
2. A Kales, A Rechtschaffen, LA University of California, N. N. I. N. (U.S.), English A manual of standardized terminology, techniques and scoring system for sleep stages of human subjects. (A Rechtschaffen, A Kales, eds.) (U. S. National Institute of Neurological Diseases and Blindness, Neurological Information Network, Bethesda, 1968).
3. C Canisius, T Ploch, T Penzel, A Jerrentrup, D Krefting, K Kesper, in Proceedings of Biosignal 2010. Classifying sleep stages using the heart rate spectrum-comparison and feasibility in healthy subjects and sleep apnea patients, (2010).
4. AL Goldberger, LAN Amaral, L Glass, JM Hausdorff, PC Ivanov, RG Mark, JE Mietus, GB Moody, C-K Peng, HE Stanley. PhysioBank, PhysioToolkit, and PhysioNet: components of a new research resource for complex physiologic signals. Circulation. 101(23), e215–e220 (2000).
http://circ.ahajournals.org/cgi/content/full/101/23/e215
, doi:
10.1161/01.CIR.101.23.e215.
.
5. S Devot, R Dratwa, E Naujokat, in Engineering in Medicine and Biology Society (EMBC), 2010 Annual International Conference of the IEEE. Sleep/wake detection based on cardiorespiratory signals and actigraphy, (2010), pp. 5089–5092.