3Kamysheva E,Skouters H. A prospective investigation of the rela-tionships among sleep quality,physical symptoms and depressive symptoms during pregnancy[J].JAffectDisord,2010,(1-3):317-332.
2Suzuki S, Dennerstein L, Greenwood KM, et al.Sleeping pattern during pregnancy in Japanese [J].J Psychosom Obstet Gynecol, 1994,15 (1):19.
3Heron J, Connor TG, Evans J, et al.The course of anxiety and depression through pregnancy and the postpartum in a community sample[J]. J Affect Disord, 2004,80(1) : 65.
4Brunner DP, Munch M, Bledermann K,et al.Changes in sleep and sleep elect roencep halogram during pregnancy[J].Sleep, 1994,17 (7) : 578.
5Olsson C, Nllsson-wikmar L.Heahh-related quality of life and physical ability among pregnant women with and without back pain in late pregnancy [J].Acta Obstet Gynecol Scand, 2004, 83(4) : 351.
6Hedmana C, Pohjasvaarab T, Tolonend U et al. Effects of pregnancy on mothers'sleep [ J]. Sleep Medicine, 2002, 3 (1) : 37.
7Tiffany Field, Miguel Diego, Maria Hemandez - Reif et al. Sleep dis- turbances in depressed pregnant women and their newborns[ J] . In- fant Behavior and Development, 2007, 30 ( 1 ) : 127.
8Lee DTS, Yip SK, Chiu HFK et al. Detecting postnatal depression in Chinese women: validation of the Chinese version of the Edinburgh Postnatal Depression Scale [ J] . Br J Psychiatry, 1998, 172 ( 5 ) : 433.
9Christian Guiileminault, Maria- Antonia Querra- Salva, Susmita Cho- wdhuri et al. Normal pregnancy, daytime sleeping, snoring and blood pressure [J] . Sleep Medicine, 2000, 1 (4): 289.
10HM van Praag. Can stress cause depression [J] ? Progress in Neuro - Psychopharmacology &Biological Psychiatry, 2004, 28 (5) : 891.