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Unlabelled: Abstract.
Objective: To examine the habit of napping and its relationship with nighttime sleep in college students.
Participants: Four hundred and forty undergraduate students who responded to an anonymous online survey in April 2010.
Methods: Three questions were asked to determine the frequency, length, and timing of napping during the past month. Sleep quality was measured by the Pittsburgh Sleep Quality Index (PSQI).
Results: The PSQI score significantly differed among self-reported nap-frequency (p=.047) and nap-length (p=.017) groups, with those who napped more than 3 times per week and those who napped more than 2 hours having the poorest sleep quality. Students who napped between 6 and 9 pm had shorter sleep on school nights compared with students in other nap-timing groups (p=.002).
Conclusions: College students who are self-reported frequent, long, and late nappers may have a higher risk of poor nighttime sleep quality and more severe sleep deprivation.
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http://dx.doi.org/10.1080/07448481.2014.983926 | DOI Listing |
Neuropsychopharmacol Rep
September 2025
Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan.
Background: Although opioid analgesics may influence sleep in patients with chronic pain, the association between strong opioid use and sleep characteristics remains unclear. This study aimed to explore differences in sleep status among chronic pain patients with varying levels of opioid use.
Methods: A total of 29 patients with chronic non-cancer pain who had been under treatment for more than 6 months were included.
Croat Med J
August 2025
Ezgi Mutluay Yayla, Health Sciences Faculty, Tarsus University, 33400 Mersin, Turkey,
Aim: To systematically review randomized controlled trials evaluating the efficacy of sleep-oriented non-pharmacological interventions for delirium prevention in intensive care units.
Methods: We searched PubMed, Web of Science, Scopus, and the Cochrane Library for randomized controlled trials evaluating the efficacy of sleep-oriented, non-pharmacological interventions for delirium prevention in intensive care units published in English between 2019 and 2024. The methodological quality of the included studies was independently evaluated by two researchers using the Joanna Briggs Institute tool.
Pain Manag Nurs
September 2025
Fundamentals of Nursing Department, Akdeniz University Nursing Faculty, Antalya, Turkey. Electronic address:
Purpose: This study aimed to evaluate the effectiveness of Progressive Muscle Relaxation (PMR) on postoperative pain level and sleep quality in patients undergoing open heart surgery.
Design: A single center, two-group, single-blind randomized controlled trial.
Methods: This study comprised 60 patients who were admitted to the cardiovascular surgery department and undergoing open heart surgery between January 2023 and April 2024.
J Affect Disord
September 2025
Department of Medicine, Kyung Hee University College of Medicine, Seoul, South Korea; Center for Digital Health, Medical Science Research Institute, Kyung Hee University College of Medicine, Seoul, South Korea; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA; D
Background: Major depressive disorder (MDD), anxiety disorders, and self-harm are substantial contributors to the global disease burden, exacerbated by the COVID-19 pandemic.
Methods: We used Global Burden of Diseases Study (GBD) 2021 to estimate global, regional, and national prevalence, mortality, and disability-adjusted life years (DALYs) for MDD, anxiety disorders, and self-harm from 1990 to 2021. Annual percentage changes were calculated for pre-pandemic (1990-2019) and pandemic (2019-2021) periods.
Respir Med
September 2025
Department of Public Health and Infectious Diseases, Pulmonology Unit, Policlinico Umberto I, "Sapienza" University of Rome, 00185 Rome, Italy.
Purpose: Asthma and obstructive sleep apnea (OSA) are two respiratory diseases that often may coexist, resulting in Alternative Overlap Syndrome (aOVS), which is still underestimated and underdiagnosed.
Objectives: This state-of-art review aims to describe the current evidence on aOVS, including its pathophysiology, clinical, functional and therapeutic implications. A secondary objective is to assess whether aOVS can be identified as a distinct endophenotype needing personalized diagnostic and therapeutic strategies.