3Zeitlhofer J,Schmeiser-Rieder A,Tribl G,et al.Sleep and quality of life in the Austrian population[J]. Acta Neurol Scand,2000,102(4):249-257.
4Hsu HC.Relationships between quality of sleep and its related factors among elderly Chinese immigrants in the Seattle area[J]. J Nurs Res,2001,9(5):179-90.
5Geroldi C, Frisoni GB, Rozzini R,et al.Principal lifetime occupation and sleep quality in the elderly[J]. Gerontology,1996,42(3):163-169.
6Curless R,French JM,James OF,et al.Is caffeine a factor in subjective insomnia of elderly people[J].Age Ageing,1993,22(1):45 .
7Steven E.Measure of elder patients sleelping [J]. Nur Times,1999,95(1):46-48.
8Shochat T, Martin J, Marler M,et al.Illumination levels in nursing home patients: effects on sleep and activity rhythms[J]. J Sleep Res,2000,9(4):373-379.
9Tanaka H,Taira K,Arakawa M,et al.Effects of short nap and exercise on elderly people having difficulty in sleeping[J].Psychiatry Clin Neurosci,2001,55(3):174.
10Manabe K,Matsui T,Yamaya M,et al.Sleep patterns and mortality among elderly patients in a geriatric hospital[J]. Gerontology,2000,46(6):318-322.