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Lucid dreaming: not just awareness, but agency
Ableidinger, Severin; DeGennaro, Luigi; Mota-Rolim, Sergio; Scarpelli, Serena; Bolstad, Courtney J.; Bjorvatn, Bjørn; Espie, Colin A.; Dauvilliers, YvesDuring lucid dreaming (LD), dreamers are aware that they are dreaming and may be able to influence the oneiric content. There has been recent debate about the relative importance of the ability to influence the dream and having agency over the pure awareness of dreaming. To underline this, we examined the associations of lucid dreams without agency (LD?Ag) and lucid dreams with agency (LD + Ag) to sleep and men...
Estimation bias and agreement limits between two common self-report methods of ...
Korman, Maria; Zarina, Daria; Tkachev, Vadim; Merikanto, Ilona; Bjorvatn, Bjørn; Bjelajac, Adrijana Koscec; Penzel, Thomas; Landtblom, Anne MarieAccurate measurement of habitual sleep duration (HSD) is crucial for understanding the relationship between sleep and health. This study aimed to assess the bias and agreement limits between two commonly used short HSD self-report methods, considering sleep quality (SQ) and social jetlag (SJL) as potential predictors of bias. Data from 10,268 participants in the International COVID Sleep Study-II (ICOSS-II) wer...
Habitual short sleepers with pre-existing medical conditions are at higher risk...
Berezin, Linor; Waseem, Rida; Merikanto, Ilona; Benedict, Christian; Holzinger, Brigitte; De Gennaro, Luigi; Wing, Yun Kwok; Bjorvatn, BjørnStudy objectives: Preliminary evidence suggests that the risk of Long COVID is higher among people with pre-existing medical conditions. Based on its proven adjuvant role in immunity, habitual sleep duration may alter the risk of developing Long COVID. The objective of this study was to determine whether the odds of Long COVID are higher among those with pre-existing medical conditions, and whether the strength...
The association of insomnia with long COVID: an international collaborative stu...
Chen, Si Jing; Morin, Charles M.; Ivers, Hans; Wing, Yun Kwok; Partinen, Markku; Merikanto, Ilona; Holzinger, Brigitte; Espie, Colin A.Objective: There is evidence of a strong association between insomnia and COVID-19, yet few studies have examined the relationship between insomnia and long COVID. This study aimed to investigate whether COVID-19 patients with pre-pandemic insomnia have a greater risk of developing long COVID and whether long COVID is in turn associated with higher incident rates of insomnia symptoms after infection. Methods: D...
Persistent short nighttime sleep duration is associated with a greater post-COV...
Xue, Pei; Merikanto, Ilona; Chung, Frances; Morin, Charles M.; Espie, Colin; Bjorvatn, Bjørn; Cedernaes, Jonathan; Landtblom, Anne Marie; Penzel, ThomasShort nighttime sleep duration impairs the immune response to virus vaccination, and long nighttime sleep duration is associated with poor health status. Thus, we hypothesized that short (<6 h) and long (>9 h) nighttime sleepers have a higher post-COVID risk than normal nighttime sleepers, despite two doses of mRNA vaccine (which has previously been linked to lower odds of long-lasting COVID-19 symptoms). Post-...
Associations between changes in habitual sleep duration and lower self-rated he...
Matsui, Kentaro; Chung, Frances; Bjelajac, Adrijana Koscec; Merikanto, Ilona; Korman, Maria; Mota-Rolim, Sérgio; Cunha, Ana Suely; Bjorvatn, BjørnBackground: Self-rated health (SRH) is widely recognized as a clinically significant predictor of subsequent mortality risk. Although COVID-19 may impair SRH, this relationship has not been extensively examined. The present study aimed to examine the correlation between habitual sleep duration, changes in sleep duration after infection, and SRH in subjects who have experienced SARS-CoV-2 infection. Methods: Par...
Persistent short nighttime sleep duration is associated with a greater post-COV...
Xue, Pei; Merikanto, Ilona; Chung, Frances; Morin, Charles M.; Espie, Colin; Bjorvatn, Bjørn; Cedernaes, Jonathan; Landtblom, Anne-Marie; Penzel, ThomasShort nighttime sleep duration impairs the immune response to virus vaccination, and long nighttime sleep duration is associated with poor health status. Thus, we hypothesized that short (<6 h) and long (>9 h) nighttime sleepers have a higher post-COVID risk than normal nighttime sleepers, despite two doses of mRNA vaccine (which has previously been linked to lower odds of long-lasting COVID-19 symptoms). Post-...