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Reports an error in "Is daytime napping associated with inflammation in adolescents" by Karen P. Jakubowski, Martica H. Hall, Anna L. Marsland and Karen A. Matthews ( Health Psychology , 2016[Dec], Vol 35[12], 1298-1306). This erratum reports an error in Table 1. The unit of measurement for IL-6 should be pg/mL instead of mg/L. This error did not impact the results or the interpretation of the findings. (The following abstract of the original article appeared in record 2016-27321-001.) Objective: Daytime napping has been associated with poor health outcomes in adults...
July 2018: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
Edward L Melanson, Hannah K Ritchie, Tristan B Dear, Victoria Catenacci, Karen Shea, Elizabeth Connick, Thomas M Moehlman, Ellen R Stothard, Janine Higgins, Andrew W McHill, Kenneth P Wright
Daytime light exposure has been reported to impact or have no influence on energy metabolism in humans. Further, whether inter-individual differences in wake, sleep, 24 h energy expenditure, and RQ during circadian entrainment and circadian misalignment are stable across repeated 24 h assessments is largely unknown. We present data from two studies: Study 1 of 15 participants (7 females) exposed to three light exposure conditions: continuous typical room ~100 lx warm white light, continuous ~750 lx warm white light, and alternating hourly ~750 lx warm white and blue-enriched white light on three separate days in a randomized order; and Study 2 of 14 participants (8 females) during circadian misalignment induced by a simulated night shift protocol...
January 2018: Neurobiology of Sleep and Circadian Rhythms
Hiromi Kagamiyama, Rika Yano
Objective: We clarified the relationship between the degree of subjective fatigue, sleep, and physical activity among nurses working 16-hour night shifts in a rotating two-shift system. Materials and Methods: We investigated 15 nurses who were surveyed regarding their individual attributes, physical activity level (consumed calories), hours of sleep, sleep efficiency, sleep onset latency, sleep diary, and subjective symptoms. Nurses wore a Fitbit One (Fitbit Inc., San Francisco, CA, USA) for 7 consecutive days to measure sleep and physical activity...
May 2018: Journal of Rural Medicine: JRM
Trinitat Cambras, Jesús Castro-Marrero, Maria Cleofé Zaragoza, Antoni Díez-Noguera, José Alegre
Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (CFS/ME) patients frequently show autonomic symptoms which may be associated with a hypothalamic dysfunction. This study aimed to explore circadian rhythm patterns in rest and activity and distal skin temperature (DST) and their association with self-reported outcome measures, in CFS/ME patients and healthy controls at two different times of year. Ten women who met both the 1994 CDC/Fukuda definition and 2003 Canadian criteria for CFS/ME were included in the study, along with ten healthy controls matched for age, sex and body mass index...
2018: PloS One
Dana L McMakin, Emily J Ricketts, Erika E Forbes, Jennifer S Silk, Cecile D Ladouceur, Greg J Siegle, Melissa Milbert, Laura Trubnick, Jennifer C Cousins, Neal D Ryan, Allison G Harvey, Ronald E Dahl
Sleep disturbance is prevalent in anxious youth and prospectively predicts poor emotional adjustment in adolescence. Study 1 examined whether anxiety treatment improves subjective and objective sleep disturbance in anxious youth. Study 2 examined whether a sleep intervention called Sleeping TIGERS can further improve sleep following anxiety treatment. Study 1 examined 133 youth (ages 9-14; 56% female; 11% ethnic/racial minority) with generalized, social, or separation anxiety over the course of anxiety treatment (cognitive behavioral treatment or client-centered treatment)...
June 6, 2018: Journal of Clinical Child and Adolescent Psychology
Megan E Petrov, Sarah E Emert, Kenneth L Lichstein
OBJECTIVE: To compare therapeutic response to behavioral therapy for insomnia (BT-I) among hypnotic-dependent insomnia (HDI) patients with and without Cluster C personality disorders. PARTICIPANTS: Twenty-three adults with HDI (17 females), aged between 33 and 68 (M = 53; SD = 9.9) were included in the study. METHODS: Participants completed a personality disorder assessment (baseline), as well as sleep diaries, polysomnography (PSG), and an insomnia severity assessment (baseline, post-treatment, and one-year follow-up)...
June 5, 2018: Behavioral Sleep Medicine
Jeehye Seo, Kylie N Moore, Samuel Gazecki, Ryan M Bottary, Mohammed R Milad, Huijin Song, Edward F Pace-Schott
Study Objectives: Insomnia increases risk for anxiety disorders that are also associated with fear-extinction deficits. We compared activation of fear and extinction networks between Insomnia Disorder without comorbidity (ID) and good sleepers (GS). Methods: 23 ID age- and sex-matched to 23 GS completed 14 days of actigraphy and diaries, 3 nights of ambulatory polysomnography and a 2-day fear conditioning and extinction paradigm. Fear Conditioning and Extinction Learning occurred on the first day, followed 24h later by Extinction Recall...
May 31, 2018: Sleep
Takeshi Matsumoto, Yasuharu Tabara, Kimihiko Murase, Kazuya Setoh, Takahisa Kawaguchi, Shunsuke Nagashima, Shinji Kosugi, Takeo Nakayama, Tomoko Wakamura, Toyohiro Hirai, Fumihiko Matsuda, Kazuo Chin
OBJECTIVE: Abnormalities in circadian blood pressure (BP) variation, particularly increase in nocturnal BP, have been reported to be risk factors for cardiovascular disease, although the factors associated with BP abnormalities are not fully understood. This study aimed to clarify possible associations of sleep characteristics, including sleep fragmentation, sleep disordered breathing, and nocturia, with sleep BP by simultaneous multiday measurements. METHODS: A cross-sectional study evaluated 5959 community participants having home-measured data on nocturnal BP change (sleep BP - awaking BP), sleep characteristics, and sleep disordered breathing...
May 24, 2018: Journal of Hypertension
Vanessa Ibáñez, Josep Silva, Omar Cauli
Purpose: A literature review is presented that aims to summarize and compare current methods to evaluate sleep. Methods: Current sleep assessment methods have been classified according to different criteria; e.g., objective (polysomnography, actigraphy…) vs. subjective (sleep questionnaires, diaries…), contact vs. contactless devices, and need for medical assistance vs. self-assessment. A comparison of validation studies is carried out for each method, identifying their sensitivity and specificity reported in the literature...
2018: PeerJ
Melissa Skein, Georgia Wingfield, Rachel Gale, Tracy L Washington, Geoffrey M Minett
Exercise in the heat is a common occurrence among athletes and often is intentional in order to gain heat acclimation benefits, however, little is known about how such training may affect sleep. Therefore, this study investigated five days of training in the heat of varying intensity and duration and inclusion of cold-water immersion (CWI) recovery on sleep quantity and quality. Thirty recreationally-trained male participants completed five days of heat training (HT) and were randomised into three interventions including (i) 90 min cycling at 40% power at maximal aerobic capacity (Pmax ) with 15 min passive recovery (90HT); (ii) 90 min cycling at 40% Pmax with 15 min CWI recovery (90CWI); or (iii) 30 min cycling alternating between 40% and 70% Pmax , with 15 min passive recovery (30HT)...
May 2018: Journal of Thermal Biology
Jennifer L Zaslona, Karyn M O'Keeffe, T Leigh Signal, Philippa H Gander
In commercial aviation, fatigue is defined as a physiological state of reduced mental or physical performance capability resulting from sleep loss, extended wakefulness, circadian phase, and/or workload. The International Civil Aviation Organisation mandates that responsibility for fatigue risk management is shared between airline management, pilots, and support staff. However, to date, the majority of research relating to fatigue mitigations in long range operations has focused on the mitigations required or recommended by regulators and operators...
2018: PloS One
Émilie Tétreault, Marie-Ève Bélanger, Annie Bernier, Julie Carrier
BACKGROUND: When assessing children's sleep using actigraphy, researchers usually rely on a sleep diary completed by a parent as an aid in scoring actigraphic data. However, parental nonadherence in completing the sleep diary may significantly reduce the amount of available data. The current study examined the agreement between actigraphic data scored with and without a sleep diary to evaluate the impact of not using a sleep diary when studying children's sleep with actigraphy. METHODS: Sixty children (aged 6-10 years; 36 girls) wore an actigraph for three to seven consecutive nights, and mothers were asked to complete a diary of their child's sleep during the same period...
January 3, 2018: Sleep Medicine
Philip I Chow, Karen S Ingersoll, Frances P Thorndike, Holly R Lord, Linda Gonder-Frederick, Charles M Morin, Lee M Ritterband
OBJECTIVE: The aim of this study was to investigate in a randomized clinical trial the role of sleep-related cognitive variables in the long-term efficacy of an online, fully automated cognitive behavioral therapy intervention for insomnia (CBT-I) (Sleep Healthy Using the Internet [SHUTi]). METHOD: Three hundred and three participants (Mage  = 43.3 years; SD = 11.6) were randomly assigned to SHUTi or an online patient education condition and assessed at baseline, postintervention (nine weeks after baseline), and six and 12 months after the intervention period...
December 20, 2017: Sleep Medicine
Michele R Cooney, Michelle A Short, Michael Gradisar
STUDY OBJECTIVES: To evaluate the efficacy of bedtime fading to reduce sleep disturbances in preschool aged children by using a group parent education format. DESIGN: A repeated-measures design (pretreatment, treatment, post-treatment and two year follow-up). SETTING: Flinders University Child and Adolescent Sleep Clinic, Adelaide, South Australia. PARTICIPANTS: Participants comprised 21 children (M age = 3.0 ± 0...
June 2018: Sleep Medicine
Bingqian Zhu, Ulf G Bronas, Cynthia Fritschi
OBJECTIVE: Actigraphy and sleep diaries have been widely used to evaluate various sleep parameters. However, their agreement in diabetes patients remains unclear. The objective of this study was to examine the agreement between sleep outcomes measured by actigraphy and sleep diaries in aging adults with type 2 diabetes (T2D). METHODS: A convenience sample of 53 T2D adults (aged 50-76 years) were enrolled. Participants wore a wrist ActiGraph and filled out a daily sleep diary for eight days...
June 2018: Sleep Medicine
Melanie Heath, Anna Johnston, Hayley Dohnt, Michelle Short, Michael Gradisar
STUDY OBJECTIVES: To examine the relationship between pre-sleep cognitions and sleep-onset difficulties in an adolescent sample. METHODS: Participants comprised 385 students (59% male) from grades 9 to 11, aged between 13 and 18 years (M = 15.6, SD = 1.0), from eight co-educational high schools of varied socio-economic status in metropolitan Adelaide, South Australia. The cross-sectional study used a questionnaire battery including the Sleep Anticipatory Anxiety Questionnaire -Adolescent Version (SAAQ-A), completed during school time, followed by eight days of sleep diary completion and wearing wrist actigraphy to obtain subjective and objective sleep onset latency (SOL)...
June 2018: Sleep Medicine
Elena Benito-González, Maria Palacios-Ceña, Juan J Fernández-Muñoz, Matteo Castaldo, Kelun Wang, Antonella Catena, Lars Arendt-Nielsen, César Fernández-de-Las-Peñas
OBJECTIVE: To investigate variables associated at baseline (cross-sectional design) and at one year (longitudinal design) with the quality of sleep in chronic tension-type headache (CTTH). METHODS: One hundred and eighty (n = 180) and 135 individuals with CTTH participated in the cross-sectional and longitudinal design respectively. Clinical features were collected with a 4-weeks headache diary at baseline and one-year follow-up. Sleep quality was assessed at baseline and 1-year follow-up with the Pittsburgh Sleep Quality Index...
2018: PloS One
Karel Everaert, Peter Anderson, Robert Wood, Fredrik L Andersson, Tove Holm-Larsen
PURPOSE: Lower urinary tract symptoms (LUTS) encompass several diagnoses, including overactive bladder (OAB) and benign prostatic hyperplasia (BPH). Nocturia is a standalone symptom, but also included in OAB and BPH. Current discussion addresses whether the overlap of the diagnoses is too broad, leading to misdiagnosis. This study explored the differences in level, causes and consequences for patients with a diagnosis of daytime LUTS compared with a diagnosis of nocturia, and discussed whether people are being treated for the symptoms that truly bother them the most...
May 16, 2018: International Journal of Clinical Practice
Lucio Huebra Pimentel Filho, Ana Carolina Dias Gomes, Bruno Gonçalves, Sergio Tufik, Fernando Morgadinho Coelho
Myotonic dystrophy (MD) is a neuromuscular disease with myotonia, progressive weakness, and involvement of CNS, heart, and gastrointestinal system. Excessive daytime sleepiness (EDS) in myotonic dystrophy type 1 (MD1) is related to sleep breathing diseases, restless leg syndrome, periodic limb movements during sleep and narcoleptic-like phenotype. However, authors highlight a central dysfunction of sleep regulation. We describe a 26-year-old, female, MD1 patient with EDS. Sleep diary/actigraphy evidenced two different circadian periods with values of 1442 and 1522 min...
May 15, 2018: Chronobiology International
Marie Solange Bernatchez, Josée Savard, Marie-Hélène Savard, Michèle Aubin
BACKGROUND: High rates of sleep-wake difficulties have been found in patients with cancer receiving palliative care. Pharmacotherapy is the most frequently used treatment option to manage these difficulties despite numerous adverse effects and the absence of empirical evidence of its efficacy and innocuity in palliative care. OBJECTIVE: This pilot study aimed to assess the feasibility and acceptability of a cognitive-behavioral and environmental intervention (CBT-E) to improve insomnia and hypersomnolence in patients with a poor functioning level and to collect preliminary data on its effects...
May 14, 2018: Cancer Nursing
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