00532nam a22001577a 4500003000400000005001700004008004100021040001600062082001200078100001700090245003900107260004300146300002500189504002200214520013800236OSt20151023231935.0140722t        xxu||||| |||| 00| 0 eng d  cAP Akademie  a610.73   aDuncan, A.H.  aAbout sleep: Nature's healing balm  aLondonbThorsons Publishers Ltd.c1964  a64pbPaperbackg18cm  aBibliography: p64  aWhat is sleep? Why we sleep. What happens during sleep? Insomnia. Dreams - Are they good or bad? Sleep-walking. How to induce sleep.