Dream reporting following abrupt and gradual awakenings from different types of sleep.

Abstract
To identify conditions under which dream reports are likely to be given when Ss are awakened from different types of sleep. As has been found in previous studies, awakenings from periods of Stage-1 sleep with rapid eye movements (REM) led to reports of cognitive experiences more often than awakenings from periods of Stage-2, -3, or -4 sleep without rapid eye movements (non-REM), and the non-REM reports were frequently labeled as thoughts rather than dreams by the Ss. Thinking reports occurred more frequently when the awakenings were gradual than when the awakenings were abrupt. Reports of cognitive activity decreased in frequency as a function of time in Stage-2, -3, or -4 non-REM sleep after the end of a REM period. The same decrease was obtained when the Ss entered non-REM sleep from a waking state, without an intervening REM period. (16 ref.) (PsycINFO Database Record (c) 2016 APA, all rights reserved)

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