WEBVTT 00:00.000 --> 00:04.200 19 hepdeden düwünçegiň hereketleri, dem alyşy 00:04.233 --> 00:08.233 we ýürek urşy gündelik siklda dowam edýär, 00:08.267 --> 00:10.767 oňa sirkadian ritmi diýilýär.