Daydreams incorporate recent waking life concerns but do not show delayed (‘dream-lag’) incorporations

Article

van Rijn, Elaine, Reid, Alexander M., Edwards, Christopher L., Malinowski, J., Ruby, Perrine M., Eichenlaub, Jean-Baptiste and Blagrove, Mark T. 2017. Daydreams incorporate recent waking life concerns but do not show delayed (‘dream-lag’) incorporations. Consciousness and Cognition. 58, pp. 51-59. https://doi.org/10.1016/j.concog.2017.10.011
Authorsvan Rijn, Elaine, Reid, Alexander M., Edwards, Christopher L., Malinowski, J., Ruby, Perrine M., Eichenlaub, Jean-Baptiste and Blagrove, Mark T.
Abstract

This study investigates the time course of incorporation of waking life experiences into daydreams. Thirty-one participants kept a diary for 10 days, reporting major daily activities (MDAs), personally significant events (PSEs) and major concerns (MCs). They were then cued for daydream, Rapid Eye Movement (REM) and N2 dream reports in the sleep laboratory. There was a higher incorporation into daydreams of MCs from the previous two days (day-residue effect), but no day-residue effect for MDAs or PSEs, supporting a function for daydreams of processing current concerns. A day-residue effect for PSEs and the delayed incorporation of PSEs from 5-7 days before the dream (the dream-lag effect) have previously been found for REM dreams. Delayed incorporation was not found in this study for daydreams. Daydreams might thus differ in function from REM sleep dreams. However, the REM dream-lag effect was not replicated here, possibly due to design differences from previous studies.

JournalConsciousness and Cognition
Journal citation58, pp. 51-59
ISSN10538100
Year2017
PublisherElsevier
Accepted author manuscript
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Digital Object Identifier (DOI)https://doi.org/10.1016/j.concog.2017.10.011
Web address (URL)https://doi.org/10.1016/j.concog.2017.10.011
Publication dates
Online08 Nov 2017
Publication process dates
Deposited15 Feb 2018
Accepted16 Oct 2017
Accepted16 Oct 2017
FunderBial Foundation
LicenseCC BY-NC-ND 4.0
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