ArticleJournal of sleep research2021
COVID-19 lockdown and poor sleep quality: Not the whole story.
Article in Journal of sleep research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers, 3 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
42 citing papers in PubMed, 3 syntheses or guidelines pooled it, 67 citations in OpenAlex.
- The impact of the COVID-19 pandemic on physical activity and sleep among healthy adults: a systematic review and meta-analysis.Frontiers in psychology · 2023Pooled it
- Subjective sleep alterations in healthy subjects worldwide during COVID-19 pandemic: A systematic review, meta-analysis and meta-regression.Sleep medicine · 2022Pooled it
- Sleep disturbances during the COVID-19 pandemic: A systematic review, meta-analysis, and meta-regression.Sleep medicine reviews · 2022Pooled it
- Associations between work style and sleep health indicators among Japanese workers: a comparison by chronotype.Industrial health · 2026Article
- Sleep, psychological symptoms, and cannabis use before, during, and after COVID-19 "stay-at-home" orders: a structural equation modeling approach.Journal of cannabis research · 2025Article
- How COVID-19 Affected Sleep Talking Episodes, Sleep and Dreams?Brain sciences · 2024Article
- COVID-19 and Sleep Disturbances: Unraveling the Connection.Brain sciences · 2024Article
- Emotion regulation difficulties and sleep quality in adolescence during the early stages of the COVID-19 lockdown.Journal of affective disorders · 2023Article
- Relationship between self-reported sleep and cognitive function: a specification curve analysis.Cognitive processing · 2023Article
- Relationship between insomnia and working from home among Korean domestic workers: results from the 5th Korean working condition survey.BMC public health · 2023Article
- Active and Healthy Confinement: Care Recommendations on Activity, Sleep and Relationships.Healthcare (Basel, Switzerland) · 2023Article
- Decision-Making and Risk-Propensity Changes during and after the COVID-19 Pandemic Lockdown.Brain sciences · 2023Article
- A randomized controlled trial examining a Tranquil sitting intervention compatible with Confucian values.Frontiers in psychology · 2023Article
- Age-Based Differences in Sleep Quality, Pre-Sleep Arousal, and Psychosocial Factors during the Second Wave Lockdown of the COVID-19 Pandemic in Georgia-A Higher Vulnerability of Younger People.International journal of environmental research and public health · 2022Article
- The Effect of COVID-19 on Sleep Quality and Mental Health: Adolescents Are More at Risk Than the Elderly.Brain sciences · 2022Article
- Association between Sleep Quality and Physical Activity in Physical Education Students in Chile in the Pandemic Context: A Cross-Sectional Study.Healthcare (Basel, Switzerland) · 2022Article
- Perceived risk of COVID-19 exposure and poor COVID-19 prognosis impair sleep: The mediating and moderating roles of COVID-19-related anxiety and knowledge.Journal of sleep research · 2022Article
- Dreaming during the COVID-19 pandemic: A narrative review.Neuroscience and biobehavioral reviews · 2022Review
- The COVID-19 infodemic at your fingertips. Reciprocal relationships between COVID-19 information FOMO, bedtime smartphone news engagement, and daytime tiredness over time.Computers in human behavior · 2022Article
- Sleep and circadian rhythm characteristics in individuals from the general population during the French COVID-19 full lockdown.Journal of sleep research · 2022Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A growing body of evidence consistently describes the side-effects of coronavirus disease 2019 lockdown on mental health and sleep quality. We conducted a longitudinal web-based survey of 217 Italian participants at two time points: lockdown and subsequent follow-up. To thoroughly investigate lockdown-related changes in sleep quality, we first evaluated variations in overall sleep quality assessed by the Pittsburgh Sleep Quality Index. We then examined sleep changes in specific components of sleep quality. Results revealed a clear dissociation of sleep effects, as a function of the specific domain considered, with longer sleep latency, worse sleep efficiency, and massive sleep medication use during forced confinement. On the other hand, we simultaneously observed an increased sleep duration and better daytime functioning. Our present findings highlight the importance of an accurate examination of sleep quality during lockdown, as the effects were not uniform across populations and different sleep domains.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.