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short sleepers

Shinya Makino, Sachie Hirose, Miki Kakutani, Masayoshi Fujiwara, Mitsuru Nishiyama, Yoshio Terada, Hitoshi Ninomiya
OBJECTIVES: To clarify the relationship between nighttime sleep duration, midday naps, and glycemic control in Japanese patients diagnosed with type 2 diabetes (n = 355) or impaired glucose tolerance (n = 43). METHODS: A total of 398 patients completed a self-administered questionnaire on sleep duration/quality and were divided into five groups according to their self-reported nighttime sleep duration: <5 h, 5-6 h, 6-7 h, 7-8 h, and >8 h. Each group was further divided into two subgroups each according to the presence or absence of midday naps...
April 2018: Sleep Medicine
S Y Christin Chong, Lijuan Xin, Louis J Ptáček, Ying-Hui Fu
Sleep is fundamental to the survival of humans. However, knowledge regarding the role of sleep and its regulation is poorly understood. Genetics in flies, mice, and humans has led to a detailed understanding of some aspects of circadian regulation. Sleep homeostasis (the effect of increasing periods of wakefulness on our sleep propensity) is largely not understood. Sleep homeostasis is distinct from, but also linked to, the circadian clock. It is only in the last two decades that our understanding of some sleep disorders has been revealed...
2018: Handbook of Clinical Neurology
Hugues Sampasa-Kanyinga, Hayley A Hamilton, Jean-Philippe Chaput
OBJECTIVE: To examine the relationship between sleep duration and consumption of sugar sweetened beverages (SSBs) and energy drinks (EDs) among adolescents. METHODS: Data on 9,473 adolescents aged 11-20 years were obtained from the 2015 cycle of the Ontario Student Drug Use and Health Survey, a province-wide and cross-sectional school based survey of students in middle and high school. Respondents self-reported their sleep duration and consumption of SSBs and EDs...
December 11, 2017: Nutrition
Mirja Quante, Neha Khandpur, Emily Z Kontos, Jessie P Bakker, Judith A Owens, Susan Redline
BACKGROUND: Daily behaviors such as sleep can be targeted by smartphone app-based interventions, with potential utility among young people of minority ethnic backgrounds who commonly access smartphone devices and are short sleepers. There is a need to understand the acceptability and youth's readiness to use apps to improve sleep, and to identify desired app components that would motivate engagement. PARTICIPANTS AND METHODS: We conducted three focus group discussions (N = 27 total, age 14-18 years) within low- and middle-income ethnically diverse Boston neighborhoods...
February 5, 2018: Behavioral Sleep Medicine
Avril Z Soh, Michael W L Chee, Jian-Min Yuan, Woon-Puay Koh
Study Objectives: Epidemiological evidence indicates that both short and long sleep at midlife increase mortality risk, but few studies have examined how change in sleep duration between midlife and later life affects this risk. We examined the association between change in sleep duration and mortality risk. Methods: The Singapore Chinese Health Study is a prospective cohort of 63257 Chinese in Singapore aged 45-74 years at recruitment (1993-1998). Self-reported sleep duration was collected from 39523 participants who completed both baseline (mean age 54...
February 1, 2018: Sleep
Haya K Al Khatib, Wendy L Hall, Alice Creedon, Emily Ooi, Tala Masri, Laura McGowan, Scott V Harding, Julia Darzi, Gerda K Pot
Background: Evidence suggests that short sleep duration may be a newly identified modifiable risk factor for obesity, yet there is a paucity of studies to investigate this. Objective: We assessed the feasibility of a personalized sleep extension protocol in adults aged 18-64 y who are habitually short sleepers (5 to <7 h), with sleep primarily measured by wrist actigraphy. In addition, we collected pilot data to assess the effects of extended sleep on dietary intake and quality measured by 7-d food diaries, resting and total energy expenditure, physical activity, and markers of cardiometabolic health...
January 1, 2018: American Journal of Clinical Nutrition
Rika Sakamoto, Tadashi Yamakawa, Kenichiro Takahashi, Jun Suzuki, Minori Matsuura Shinoda, Kentaro Sakamaki, Hirosuke Danno, Hirohisa Tsuchiya, Manabu Waseda, Tatsuro Takano, Fuyuki Minagawa, Masahiko Takai, Tomohide Masutani, Jo Nagakura, Erina Shigematsu, Masashi Ishikawa, Shigeru Nakajima, Kazuaki Kadonosono, Yasuo Terauchi
OBJECTIVES: Excessively short and long sleep durations are associated with type 2 diabetes, but there is limited information about the association between sleep quality and diabetes. Accordingly, the present study was performed to investigate this relationship. MATERIALS AND METHODS: The subjects were 3249 patients with type 2 diabetes aged 20 years or older. Sleep quality was assessed by using the Pittsburgh Sleep Quality Index (PSQI). A higher global PSQI score indicates worse sleep quality, and a global PSQI score >5 differentiates poor sleepers from good sleepers...
2018: PloS One
Susan T Harbison, Yazmin L Serrano Negron, Nancy F Hansen, Amanda S Lobell
Why do some individuals need more sleep than others? Forward mutagenesis screens in flies using engineered mutations have established a clear genetic component to sleep duration, revealing mutants that convey very long or short sleep. Whether such extreme long or short sleep could exist in natural populations was unknown. We applied artificial selection for high and low night sleep duration to an outbred population of Drosophila melanogaster for 13 generations. At the end of the selection procedure, night sleep duration diverged by 9...
December 2017: PLoS Genetics
Claudia E van der Put, Mark Assink, Jeanne Gubbels, Noëlle F Boekhout van Solinge
There is a lack of knowledge about specific components that make interventions effective in preventing or reducing child maltreatment. The aim of the present meta-analysis was to increase this knowledge by summarizing findings on effects of interventions for child maltreatment and by examining potential moderators of this effect, such as intervention components and study characteristics. Identifying effective components is essential for developing or improving child maltreatment interventions. A literature search yielded 121 independent studies (N = 39,044) examining the effects of interventions for preventing or reducing child maltreatment...
December 4, 2017: Clinical Child and Family Psychology Review
Carla Piano, Giacomo Della Marca, Anna Losurdo, Claudio Imperatori, Marcella Solito, Giovanna Calandra-Buonaura, Federica Provini, Pietro Cortelli, Anna Rita Bentivoglio
INTRODUCTION: The aim of the study was to evaluate the clinical reliability of subjective sleep evaluation, based on sleep and psychometric questionnaires, by comparing the results with those obtained with laboratory-based video-polysomnography (V-PSG). PATIENTS AND METHODS: Thirty consecutive Huntington disease (HD) patients were enrolled. Subjective evaluation of sleep included the Pittsburgh Sleep Quality Index (PSQI), the sleep questionnaire for HD (HDQ), the Epworth Sleepiness Scale, the Bologna questionnaire for sleepiness (BQ), the Berlin questionnaire, and the RBD questionnaire; the International Restless Legs Syndrome Study Group scale was administered to patients with positive screening...
November 24, 2017: Neuro-degenerative Diseases
Linde van Lee, Ai-Ru Chia, See Ling Loy, Marjorelee Colega, Elaine K H Tham, Shirong Cai, Fabian Yap, Keith M Godfrey, Oon Hoe Teoh, Daniel Goh, Kok Hian Tan, Yap-Seng Chong, Birit F P Broekman, Mary F F Chong
Evidence on the association between sleep, diet, and eating behaviors in pregnant women is lacking. We examine this in a cohort of apparently healthy pregnant women. At 26-28 weeks gestation, 497 participants completed the Pittsburgh Sleep Quality Index to assess sleep and a 24-h recall to assess dietary intake. Diet quality was assessed by the Healthy Eating Index for pregnant women in Singapore (HEI-SGP) score and previously derived dietary patterns (vegetables-fruit-rice, seafood-noodles, and pasta-cheese-meat pattern)...
November 17, 2017: International Journal of Environmental Research and Public Health
Friederike Hammersen, Philip Lewin, Judith Gebauer, Ilonka Kreitschmann-Andermahr, Georg Brabant, Alexander Katalinic, Annika Waldmann
This study investigated sleep quality and health-related quality of life (HRQOL) among long-term survivors of Hodgkin (HL) and non-Hodgkin lymphoma (NHL). The aim was to explore the impact of personal and health-related factors on sleep quality as well as associations between sleep quality and HRQOL. For the postal survey, participants with a minimum age of 18 years initially treated between 1998 and 2008 were recruited via the population-based cancer registry in Schleswig-Holstein, Northern Germany. Questionnaires included amongst others the Pittsburg Sleep Quality Index (PSQI) and the 36-Item Short Form Health Survey (SF-36v1)...
2017: PloS One
Vanessa C Brunetti, Erin K O'Loughlin, Jennifer O'Loughlin, Evelyn Constantin, Étienne Pigeon
OBJECTIVE: This study examined the associations between screen (computer, videogame, TV) and nonscreen (talking on the phone, doing homework, reading) sedentary time, and sleep in adolescents. PARTICIPANTS: Data were drawn from AdoQuest, a prospective investigation of 1843 grade 5 students aged 10-12 years at inception in the greater Montreal (Canada) area. METHODS: Data for this cross-sectional analysis on screen and nonscreen sedentary time, sleep duration, and daytime sleepiness were collected in 2008-2009 from 1233 participants (67% of 1843) aged 14-16 years...
December 2016: Sleep Health
Erla Björnsdóttir, Christer Janson, Eva Lindberg, Erna Sif Arnardottir, Bryndís Benediktsdóttir, Judith Garcia-Aymerich, Anne Elie Carsin, Francisco Gómez Real, Kjell Torén, Joachim Heinrich, Dennis Nowak, José Luis Sánchez-Ramos, Pascal Demoly, Sandra Dorado Arenas, Ramon Coloma Navarro, Vivi Schlünssen, Chantal Raherison, Debbie L Jarvis, Thorarinn Gislason
INTRODUCTION: Sleep length has been associated with obesity and various adverse health outcomes. The possible association of sleep length and respiratory symptoms has not been previously described. The aim of this study was to investigate the association between sleep length and respiratory symptoms and whether such an association existed independent of obesity. METHODS: This is a multicentre, cross-sectional, population-based study performed in 23 centres in 10 different countries...
2017: BMJ Open Respiratory Research
María Reyes Beltran-Valls, Enrique García Artero, Ana Capdevila-Seder, Alejandro Legaz-Arrese, Mireia Adelantado-Renau, Diego Moliner-Urdiales
PURPOSE: To analyze differences in sleep quality and duration by athletic status and sex, and to examine the association between physical activity (PA) recommendation and sleep in adolescents. METHODS: A total of 267 adolescents [13.9 (0.3) y] from Deporte, ADOlescencia y Salud (DADOS) study (129 girls) were included in this cross-sectional analysis. Athletes competed regularly in organized sport events and trained ≥3 days per week, but nonathletes did not compete...
October 17, 2017: Pediatric Exercise Science
Torbjörn Åkerstedt, Jurgita Narusyte, Kristina Alexanderson, Pia Svedberg
Introduction: A number of studies have shown a U-shaped association between sleep duration and mortality. Since sleep duration is partly genetically determined, it seems likely that its association with mortality is also genetically influenced. The purpose of the present study was to investigate the influence on heredity on the association between sleep duration and mortality. Methods: We used a cohort of 14267 twins from the Swedish Twin Registry. Results: A Cox proportional hazards regression analysis, adjusted for a number of covariates, confirmed a clear U shape with a hazard ratio (HR) = 1...
October 1, 2017: Sleep
Karen A Patte, Wei Qian, Scott T Leatherdale
OBJECTIVES: Limited Canadian studies have examined youth sleep over time. This study explored sleep duration over recent years among youth, patterns over the course of secondary school, and subgroups at greater risk of sleep deprivation and problematic trajectories. DESIGN: Longitudinal survey. PARTICIPANTS/SETTING: Secondary school students in Ontario and Alberta, Canada. MEASURES AND ANALYSES: In cross-sectional analyses, student-reported sleep duration was analyzed in three waves of the COMPASS study (Y2: 2013/2014, Y3: 2014/2015, Y4: 2015/2016), and differences by student-level (race/ethnicity, grade, sex) and school-level (urbanicity, median household income) variables were tested in the most recent wave...
October 2017: Sleep Health
Paul A Salamh, Morey J Kolber, Eric J Hegedus, Chad E Cook
BACKGROUND: Posterior shoulder tightness (PST) is a postoperative complication leading to pain, impaired mobility, and reduced function. Despite the potential morbidity associated with PST, no studies have investigated the efficacy of shoulder-stretching methods in the postsurgical population. The purpose of this study was to determine the short-term efficacy of two stretches designed to reduce PST. METHODS: The study enrolled 63 patients [mean age 51 (12) years, height 173...
February 2018: Physiotherapy Theory and Practice
Ian M Paul, Emily E Hohman, Eric Loken, Jennifer S Savage, Stephanie Anzman-Frasca, Patricia Carper, Michele E Marini, Leann L Birch
OBJECTIVES: The American Academy of Pediatrics recommends infant-parent room-sharing until age 1. We assessed the association between room-sharing and sleep outcomes. METHODS: The Intervention Nurses Start Infants Growing on Healthy Trajectories study is an obesity prevention trial comparing a responsive parenting intervention with a safety control among primiparous mother-infant dyads. Mothers completed the Brief Infant Sleep Questionnaire at 4, 9, 12, and 30 months...
June 5, 2017: Pediatrics
Shibin Wang, Yanhua Wu, Gabor S Ungvari, Chee H Ng, Brent P Forester, Jennifer R Gatchel, Helen F K Chiu, Changgui Kou, Yingli Fu, Yue Qi, Yaqin Yu, Bo Li, Yu-Tao Xiang
This study investigated the total sleep time (TST) and its associated factors in an older Chinese adult population. Multistage stratified cluster sampling was used in this cross-sectional study. A total of 4,115 older adults aged 60 to 79 years were selected and interviewed. Sleep duration was classified as short ( 8h per day) and medium sleep (7-8h per day). The total mean sleep time was 6.86±1.75h. Short and long sleepers accounted for 45.2% and 14.8% of the sample, respectively. Multivariate logistic regression analysis revealed that inadequate fruit intake and poor mental health were positively associated with short sleep, and married/cohabitation status and living in rural areas was negatively associated with short sleep...
July 19, 2017: Psychiatry Research
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