Sleep's impact on emotional recognition memory: A meta-analysis of whole-night, nap, and REM sleep effects

Numerous studies have shown that post-learning sleep enhances visual episodic recognition memory. However, it remains unclear whether this consolidation benefit is moderated by the emotional valence of the learned material. To clarify whether sleep selectively enhances memory for emotional material, we conducted a meta-analysis including N = 1059 post-sleep/wake observations. Overall, our results do not support this hypothesis. When only studies...