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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: Psychophysiology. 2019 Mar 26;56(7):e13368. doi: 10.1111/psyp.13368

Figure 1. Dream Report Collection.

Figure 1.

While spending the night in the sleep laboratory, participants were awakened up to 13 times to report on their current subjective experience. Up to 10 awakenings were made from the sleep onset phase, within the first hour of the night. Additional awakenings from REM and N2 sleep were conducted later in the night. To avoid time-of-night confounds, order of REM/N2 awakenings was counterbalanced across subjects. A final subjective report was collected upon morning awakening, regardless of sleep stage.