Table 3. Co-occurrence of waking sources by category.

Primary Source	Secondary Source(s)
	Past Episode				Future Episode				General Past				General Future
	N	%	95% CI		N	%	95% CI		N	%	95% CI		N	%	95% CI
Past Episode	19	9.5%	[5.8%	14.4%]	36	18.0%	[12.9%	24.0%]	99	49.5%	[42.4%	56.6%]	33	16.5%	[11.6%	22.4%]
Future Episode	36	37.5%	[27.8%	48.0%]	5	5.2%	[1.7%	11.7%]	29	30.2%	[21.3%	40.4%]	44	45.8%	[35.6%	56.3%]
General Past	99	60.4%	[52.4%	67.9%]	29	17.7%	[12.2%	24.4%]	0	0.0%	[0.0%	2.2%]	33	20.1%	[14.3%	27.1%]
General Future	33	42.3%	[31.2%	54.0%]	44	56.4%	[44.7%	67.6%]	33	42.3%	[31.2%	54.0%]	0	0.0%	[0.0%	4.6%]

Note. For dreams containing each category of waking source, the number and % of dreams that were additionally traced to a second source in the same or a different category. There were a total of 200 reports with at least one past episodic source, 96 reports with at least one future episodic source, 164 reports with at least one general past source, and 78 reports with at least one general future source