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Sleep Science
Published in Gia Merlo, Kathy Berra, Lifestyle Nursing, 2023
Glenn S. Brassington, Glenn T. Brassington
The PSQI is the most widely used self-report measure of sleep quality and daytime functioning (Buysse et al., 1989). Participants answer a series of questions about their sleep over the previous month. The PSQI provides a global score of sleep quality and seven subscales: sleep quality, sleep latency, sleep duration, sleep efficiency, sleep disturbances, use of medication, and daytime dysfunction.
Anxiety and Sleep Quality of Adolescents in Earthquake Affected and Non-Affected Areas
Published in Teuku Tahlil, Hajjul Kamil, Asniar, Marthoenis, Challenges in Nursing Education and Research, 2020
Meutia Kamalat Shah, Imran, Marthoenis
The presence of sleep problem was examined using the Pittsburgh Sleep Quality Index (PSQI) questionnaire. The PSQI was developed by the researchers at the university of Pittsburgh, which aims to assess sleep quality of a one-month time interval. It consists of 19 self-report items and rated on 4-point Likert scale. The higher score indicates poor sleep quality (Buysse, Reynolds, Monk, Berman, & Kupfer, 1989). The study was approved by an institutional ethics committee. The students’ guardians gave informed consent.
The Sleeping Brain
Published in Hanno W. Kirk, Restoring the Brain, 2020
Both groups showed improvement in all sleep parameters including the ISI, PSQI Global score and the PSQI SE. The mean increase in sleep efficiency for both groups was 16%. All participants had normal post-treatment sleep efficiencies of greater than 85%, with a mean of 93%. 7 of 8 subjects ended with a PSQI score of 5 or less, with the eighth subject having a score of 6. Similar results were found with the ISI. These improvements in sleep indices were accompanied by similar improvements in mood, sense of well-being and overall quality of life. This study strongly suggests that the simpler and more accessible protocol of SMR training was as effective as QEEG-guided neurofeedback.
TRPV1 is a risk factor for sleep disturbance in patients with gastro-oesophageal reflux disease: a case control study
Published in Scandinavian Journal of Gastroenterology, 2023
Denong Liu, Lei Xu, Lei Chen, Jieqiong Hu, Danjuan Wu, Guanjun Wang, Haowei Shen, Xiaoqin Zhang, Yunxin Ji, Liemin Ruan, Zhongze Lou
The subjective sleep state of the participants in this study was assessed by the Pittsburgh Sleep Quality Index (PSQI). The PSQI is a standard scale that assesses the sleep quality of patients in the past month [30]. The scale has high validity and reliability and is comprised of 19 self-evaluated items. The items included in the scoring measure seven different dimensions of sleep: quality, latency, duration, habitual efficiency, disturbances, use of hypnotics, and daytime function. The scale was used to score the sleep status of all included subjects one month before the assessment. Each section is scored from 0 to 3. The sum of the seven component scores produces a total PSQI score ranging from 0 to 21; the higher the score, the poorer the subjective sleep quality. A global score >5 distinguishes between good and poor sleepers [30,31]. The Chinese version of the PSQI shows high psychometric reliability and validity in patients with insomnia [32]. All subjects enrolled in this study completed the PSQI questionnaire under the supervision of two specialist psychiatrists.
Physical activity and sleep quality correlations with anthropometric measurements in young adults
Published in Journal of American College Health, 2023
Ashley Y. Kim, John H. Gieng, Shiho Osako Luna, Kasuen Mauldin
The PSQI questionnaire is a validated, self-rated questionnaire that provides data on subjective nighttime sleep quality for the past month.35 There are 19 questions and seven component scores: subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbances, use of sleeping medication, and daytime dysfunction.26 Each component score ranges from 0 to 3, and the global PSQI score is a sum of the seven component scores, with a range from 0 to 21, and a higher score indicates worse sleep quality. It has been reported that the PSQI global score has a sensitivity of 89.6% and a specificity of 86.5% for identifying cases with sleep disorders when using a PSQI global score >5 as indicative of poor overall sleep quality.35 Previous studies have evaluated the clinical utility of the PSQI questionnaire26,36,37 and Cronbach’s alphas of 0.69 to 0.80 have been reported.36,38 The PSQI questionnaire has been widely used in research and has been translated into 48 languages.35
Increased prevalence of sleep disturbance in psoriatic arthritis is associated with inflammatory and non-inflammatory measures
Published in Scandinavian Journal of Rheumatology, 2023
M Skougaard, ZR Stisen, TS Jørgensen, A Egeberg, RL Hansen, LM Perez-Chada, M Mogensen, JF Merola, JG Gerwien, LE Kristensen
Limitations of this study include the lack of a verified Danish version of the PSQI questionnaires upon study initiation. The patients filled in the PSQI questionnaires themselves if they felt confident in reading and understanding English; otherwise, the questionnaires were read to the patients by the physician, possibly introducing information bias. Additional limitations include the low number of participants with follow-up PSQI data in relation to evaluation of treatment, and that the study did not distinguish between types of comorbidity, as it is acknowledged that different comorbidities may lead to different levels of quality of sleep. Furthermore, it is important to consider the possible presence of chronic pain conditions in PsA, including widespread pain and fibromyalgia, which is common in PsA (34), and may affect the performance of the PD-Q in this patient cohort (35). Tender points were included as a proxy to evaluate for fibromyalgia. However, follow-up data were not available to reach conclusions on fibromyalgia in line with ACR classification criteria (19). Nevertheless, low tender point medians indicated a low prevalence of fibromyalgia in both good- and poor-quality sleepers. Despite its limitations, this study provides important insights and highlights the obstacles faced by PsA patients in their daily lives with increased sleep disturbance. Furthermore, the study adds to the knowledge that not only inflammatory factors, but also possible non-inflammatory factors, including chronic pain, lead to sleep disturbances in PsA.