Shylo, O., Lutsenko, D., Danylenko, K., Babiychuk, G. and Moiseyenko, Y. 2017. Methods of studying the dynamics of some sleep quality indexes in Antarctic winterers. Ukrainian Antarctic Journal. 16 (Dec. 2017), 188-200. DOI:https://doi.org/10.33275/1727-7485.16.2017.77.