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. 2020 Mar 12;15(3):e0230212. doi: 10.1371/journal.pone.0230212

Table 1. Auditory qualities of speech and other sounds.

n Information about auditory quality
*Was heard/clear/ as in normal life/ sound of Only/ rather thoughts/ no sound Description of sound/ voice quality Described who said it (dreamer or other people) Nothing stated/can’t recall
Cited verbatim 171 34 4 22 107 4
Only theme noted 89 17 7 13 51 1
No theme given& 66 28 1 8 25 4
Foreign language+ 5 2 - 1 2 -
Laughing, singing etc 17 10 - 3 4 -
Other sounds 59 37 - 14 n/a 8
Total (%) 407 128 (31.4%) 12 (2.9%) 61 (15.0%) 189 (46.4%) 17 (4.2%)

*Categorization was forced and mutually exclusive, in the order from left to right for the five columns (categories 1 to 5).

+Speech in a foreign language not understood by the dreamer.

&Participants did not describe any theme, often stating that they could not recall what was said