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. 2022 Jan 24;14:93–108. doi: 10.2147/NSS.S344299

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© 2022 Scarpelli et al.

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Oneiric frequency changes between pre-pandemic and pandemic period. (A) shows the results of non-parametric (within) comparisons on Dream Recall Frequency (DRF) between pre-pandemic (black bars) vs pandemic period (grey bars), performed separately for the controls and COVID-19 group. (B) depicts the results of non-parametric comparisons on Nightmare Frequency (NF) between pre-pandemic (black bars) vs pandemic period (grey bars) performed separately for the controls and COVID-19 group. Error bars represent the standard errors. Significant results are asterisked. ***p<0.001.