[00:00.000] 作曲 : Laurie Anderson [00:10.094] Strange, but after all this time – [00:12.284] 30,000 years of human civilisation – [00:16.124] we still have no idea why we dream. [00:18.991] Of course there are lots of theories. [00:20.933] And one theory of SIDS, [00:22.775] or Sudden Infant Death Syndrome, has to do with dreaming. [00:27.909] SIDS, or Crib Death, [00:29.657] is the mysterious phenomenon of the death of a baby, who just suddenly stops breathing. [00:36.366] And, according to the theory, the baby dies during REM sleep. [00:40.194] A period when dreams of the past are the most intense. [00:44.422] And these dreams are from before the baby was born. [00:49.156] Before the baby began to breathe. [00:52.951] And the dreams are so real that the baby gets lost in them. [00:59.406] And just stops breathing

. [01:06.464] And when you see an x-ray of a child's head, [01:12.124] you see the second pair of teeth right above the baby teeth. [01:15.580] And this second pair of teeth is ready to drop down into place, [01:20.198] when the first set falls out. [01:24.005] Now wouldn't it be great to have a second brain? [01:26.070] Or a reserve heart? [01:29.748] That would just drop down into place, when the first one breaks