, ▁there ▁was ▁either ▁no ▁dream ▁in ▁progress ▁at ▁the ▁time ▁of ▁aw ak ening ▁or ▁no ▁ver bal ▁material ▁to ▁be ▁reported ▁from ▁the ▁dream .) ▁The ▁subjects ▁reported ▁( as ▁part ▁of ▁the ▁question naire ▁form ) ▁that ▁ 6 0 ▁percent ▁of ▁the ▁utter ances ▁were ▁said ▁by ▁him ▁or ▁herself ▁in ▁the ▁dream ▁scenario ; ▁ 4 0 ▁percent ▁by ▁someone ▁else , ▁usually ▁addressed ▁to ▁the ▁dream er . ▁▁ ▁Word - count ▁analysis ▁showed ▁the ▁utter ances ▁in ▁the ▁cor pus ▁to ▁have ▁a ▁wide ▁range ▁of ▁length , ▁with ▁a ▁ ▁mean ▁utter ance ▁length ▁of ▁ 7 . 5 ▁words ▁and ▁a ▁mean ▁sentence ▁length ▁of ▁ 6 . 5 ▁words . ▁The ▁declar ative ▁sentences ▁in ▁the ▁cor pus ▁were ▁analyz ed ▁for ▁complexity ▁( sent ential ▁elabor ation ) ▁using ▁in ▁particular ▁the ▁number ▁of ▁sub ordinate ▁cla uses ▁per ▁unit ▁as ▁an ▁index . ▁The ▁cor pus ▁when ▁class ed ▁into ▁three ▁groups ▁according ▁to ▁the ▁education ▁level ▁of ▁the ▁subject - d ream ers ▁showed ▁that ▁those ▁with ▁most ▁education ▁had ▁the ▁highest ▁sent ential ▁elabor ation ; ▁those ▁with ▁the ▁least , ▁the ▁lowest ; ▁with ▁those ▁with ▁intermediate ▁education ▁scoring ▁in ▁between . ▁( There ▁were ▁no ▁standards ▁available ▁for ▁absolute ▁comparison ▁with ▁the ▁sent ential ▁elabor ation ▁in ▁spoken ▁Dutch ▁in ▁w aking ▁life ▁by ▁the ▁three ▁education - level ▁groups ▁in ▁the ▁general ▁population ; ▁however , ▁the ▁relative ▁degree ▁of ▁sent ential ▁elabor ation ▁of ▁the