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Chronotype affect

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https://www.readbyqxmd.com/read/29670559/similarity-in-chronotype-and-preferred-time-for-sex-and-its-role-in-relationship-quality-and-sexual-satisfaction
#1
Paulina Jocz, Maciej Stolarski, Konrad S Jankowski
Recently, the issue of diurnal preferences has been increasingly studied within the context of romantic relationships and sexual functioning. In the present paper we apply a dyadic design to investigate the role of romantic partners' diurnal preferences in determining a variety of relationship outcomes. A sample of 91 heterosexual couples completed a set of questionnaires measuring relationship satisfaction, sexual satisfaction, and morningness-eveningness, and answered questions regarding their actual and preferred time for sexual activity...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29530363/comprehensive-assessment-of-the-impact-of-life-habits-on-sleep-disturbance-chronotype-and-daytime-sleepiness-among-high-school-students
#2
Akiyoshi Shimura, Sakai Hideo, Yoshikazu Takaesu, Ryota Nomura, Yoko Komada, Takeshi Inoue
OBJECTIVE: Sleep affects adolescents in various ways. However, the effects of multiple factors on sleep hygiene remain unclear. A comprehensive assessment of the effects of life habits on sleep in high-school students was conducted. METHODS: A cross-sectional survey of 344 high school students (age range 15-17; 171 boys, 173 girls) in Tokyo, Japan was conducted in 2015. Complete responses were provided by 294 students. Demographic variables, Pittsburgh Sleep Quality Index (PSQI), diurnal type scale, Pediatric Daytime Sleepiness Scale (PDSS), and life habits such as dinnertime, viewing electronic displays, caffeine intake, sunlight in the morning, and the brightness of the room in the night were asked...
April 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29479768/evening-use-of-caffeine-moderates-the-relationship-between-caffeine-consumption-and-subjective-sleep-quality-in-students
#3
Mirjam L Kerpershoek, Niki Antypa, Julia F Van den Berg
Caffeine is often used to reduce sleepiness; however, research suggests that it can also cause poor sleep quality. The timing of caffeine use, amongst other factors, is likely to be important for the effects it has on sleep quality. In addition, individual differences exist in the effect of caffeine on sleep quality. This cross-sectional study investigated the influence of the timing of caffeine consumption on and a possible moderating role of chronotype in the relationship between caffeine consumption and sleep quality in 880 students (74...
February 25, 2018: Journal of Sleep Research
https://www.readbyqxmd.com/read/29477589/the-role-of-affective-temperaments-assessed-by-the-temperament-evaluation-of-memphis-pisa-and-san-diego-autoquestionnaire-temps-a-in-the-relationship-between-morningness-eveningness-and-bipolarity
#4
Adrian A Chrobak, Anna Tereszko, Daria Dembinska-Krajewska, Aleksandra Arciszewska, Ewa Dopierała, Marcin Siwek, Dominika Dudek, Janusz K Rybakowski
BACKGROUND: Growing number of studies indicates a link between eveningness chronotype, affective temperaments and bipolarity, both in patients with mood disorders and in general population. Given these tripartite associations, we hypothesized that the effect of circadian preferences on the bipolarity may be mediated by the temperamental traits. METHODS: The study included 1449 subjects (402 men and 1047 women). They all fulfilled a web-based questionnaire, consisting of the Composite Scale of Morningness (CSM), Mood Disorder Questionnaire (MDQ), Hypomania Checklist-32 (HCL-32) and the Temperament Evaluation of the Memphis, Pisa and San Diego-Autoquestionnaire (TEMPS-A)...
February 16, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29420828/time-to-rethink-sleep-quality-psqi-scores-reflect-sleep-quality-on-workdays
#5
Luísa K Pilz, Lena Katharina Keller, David Lenssen, Till Roenneberg
The Pittsburgh Sleep Quality Index (PSQI) is the most common measure of sleep quality. Its questions refer to "usual" sleep habits during the last month. Considering how different sleep-wake behavior can be between work- and work-free days, we hypothesized that sleep quality should show similar differences.We investigated these potential differences in a cross-sectional online study using the original and two adapted versions of the PSQI that replaced "usual" by explicitly referring to sleep on work- or work-free days...
February 6, 2018: Sleep
https://www.readbyqxmd.com/read/29363987/association-of-possible-sleep-bruxism-in-children-with-different-chronotype-profiles-and-sleep-characteristics
#6
Mariana Batista Ribeiro, Daniele Manfredini, Cláudia Tavares-Silva, Leandro Costa, Ronir Raggio Luiz, Saul Paiva, Júnia Maria Serra-Negra, Andréa Fonseca-Gonçalves, Lucianne Cople Maia
Sleep bruxism (SB) in children has been associated with several sleep characteristics, which may alter their sleep pattern. This change affects the internal biological clock and consequently the chronotype profile. The aim of this study was to evaluate the existence of an association between possible SB in children with specific chronotype profiles and sleep characteristics. The study included 207 parents/guardians of children aged between 3 and 12 years who were waiting for their children's dental treatment at the Pediatric Dentistry Clinic of the Federal University of Rio de Janeiro, Brazil...
January 24, 2018: Chronobiology International
https://www.readbyqxmd.com/read/29157641/a-process-oriented-model-linking-adolescents-sleep-hygiene-and-psychological-functioning-the-moderating-role-of-school-start-times
#7
Jack S Peltz, Ronald D Rogge, Heidi Connolly, Thomas G O'Connor
OBJECTIVE: To examine a mediational model linking sleep hygiene to better mental health in adolescents via the mechanism of improved sleep quality, and to test the moderating role of school start times (SST) (before 8:30 AM vs. 8:30 AM or later) on that mediation model. DESIGN: Cross-sectional. SETTING: Online survey for high school students across the United States. PARTICIPANTS: A total of 197 adolescents aged 14-17 years old (Mage = 15...
December 2017: Sleep Health
https://www.readbyqxmd.com/read/29157006/chronotype-description-in-search-of-a-solid-subjective-amplitude-scale
#8
Halszka Oginska, Justyna Mojsa-Kaja, Olivier Mairesse
The term "subjective circadian amplitude" refers to the range or the distinctness of diurnal variations of arousal, that is, the awareness (or lack thereof) of difference between hyper- and hypo-activation phases, the ability to volitionally modulate one's own psychophysiological state, the strength of morning-evening preferences and flexibility of the rhythm or perceived stability of the circadian phase. The complexity of this construct is the source of difficulties in research and measurement. The psychometric features of distinctness subscales of the Chronotype Questionnaire and the Caen Chronotype Questionnaire are not satisfactory...
2017: Chronobiology International
https://www.readbyqxmd.com/read/29111789/evening-chronotype-and-sleepiness-predict-impairment-in-executive-abilities-and-academic-performance-of-adolescents
#9
Mairav Cohen-Zion, Elisheva Shiloh
The study aim was to better understand sleep and sleep-related factors affecting everyday executive capacities and academic performance among healthy adolescents. A cross-sectional survey on sleep, phase preference, academic performance and executive functions of high-school students was conducted. Female gender, grade status, sleepiness and evening chronotype accounted for approximately 25-30% of the variance in daily executive ability. Sleep duration was a weak predictor of executive skills. Lower school grades were associated with increased sleepiness, evening preference and poorer executive skills...
January 2018: Chronobiology International
https://www.readbyqxmd.com/read/29106308/sleep-quality-and-methylation-status-of-core-circadian-rhythm-genes-among-nurses-and-midwives
#10
Agnieszka Bukowska-Damska, Edyta Reszka, Pawel Kaluzny, Edyta Wieczorek, Monika Przybek, Shanbeh Zienolddiny, Beata Peplonska
ABSTARCT Poor sleep quality or sleep restriction is associated with sleepiness and concentration problems. Moreover, chronic sleep restriction may affect metabolism, hormone secretion patterns and inflammatory responses. Limited recent reports suggest a potential link between sleep deprivation and epigenetic effects such as changes in DNA methylation profiles. The aim of the present study was to assess the potential association between poor sleep quality or sleep duration and the levels of 5-methylcytosine in the promoter regions of PER1, PER2, PER3, BMAL1, CLOCK, CRY1 CRY2 and NPAS2 genes, taking into account rotating night work and chronotype as potential confounders or modifiers...
2017: Chronobiology International
https://www.readbyqxmd.com/read/29040275/nocturnal-sleep-mediates-the-relationship-between-morningness-eveningness-preference-and-the-sleep-architecture-of-afternoon-naps-in-university-students
#11
Tzu-Yin Lee, Pi-Chen Chang, Ing-Jy Tseng, Min-Huey Chung
The present study investigated the parameters of nocturnal sleep that mediate the relationship between morningness-eveningness preference and the sleep architecture of naps in university students. This study had a cross-sectional, descriptive correlational design. The sleep architecture of 52 students invited to take an afternoon nap in the laboratory was recorded. The morningness-eveningness questionnaire (MEQ) was used to evaluate morningness-eveningness preference. An actigraph was used to collect students' nighttime sleep data in the week preceding the study...
2017: PloS One
https://www.readbyqxmd.com/read/29031757/what-predicts-inattention-in-adolescents-an-experience-sampling-study-comparing-chronotype-subjective-and-objective-sleep-parameters
#12
Timo Hennig, Katarina Krkovic, Tania M Lincoln
OBJECTIVE: Many adolescents sleep insufficiently, which may negatively affect their functioning during the day. To improve sleep interventions, we need a better understanding of the specific sleep-related parameters that predict poor functioning. We investigated to which extent subjective and objective parameters of sleep in the preceding night (state parameters) and the trait variable chronotype predict daytime inattention as an indicator of poor functioning. METHODS: We conducted an experience-sampling study over one week with 61 adolescents (30 girls, 31 boys; mean age = 15...
October 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29024857/controlled-trial-evaluation-of-exposure-duration-to-negative-air-ions-for-the-treatment-of-seasonal-affective-disorder
#13
Bonnie Bowers, Randall Flory, Joseph Ametepe, Lauren Staley, Anne Patrick, Heather Carrington
This study evaluated the effectiveness of 30 or 60min of daily exposure to high-density or to zero-density (placebo condition) negative air ions over 18 days on the symptoms of seasonal affective disorder (SAD) in 40 participants under controlled laboratory conditions. Exposure to high-density negative air ions was superior to zero-density negative air ions in alleviating depression and the atypical symptoms of SAD. Also, more subjects in the high-density negative air ions groups met two different clinical response criteria than did those in the zero-density groups...
January 2018: Psychiatry Research
https://www.readbyqxmd.com/read/28912014/acute-alerting-effects-of-light-a-systematic-literature-review
#14
REVIEW
Jan L Souman, Angelica M Tinga, Susan F Te Pas, Raymond van Ee, Björn N S Vlaskamp
Periodic, well timed exposure to light is important for our health and wellbeing. Light, in particular in the blue part of the spectrum, is thought to affect alertness both indirectly, by modifying circadian rhythms, and directly, giving rise to acute effects. We performed a systematic review of empirical studies on direct, acute effects of light on alertness to evaluate the reliability of these effects. In total, we identified 68 studies in which either light intensity, spectral distribution, or both were manipulated, and evaluated the effects on behavioral measures of alertness, either subjectively or measured in reaction time performance tasks...
January 30, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/28880049/sleep-and-glycemic-control-in-adolescents-with-type-1-diabetes
#15
Julia von Schnurbein, Claudia Boettcher, Stephanie Brandt, Beate Karges, Desiree Dunstheimer, Angela Galler, Christian Denzer, Friederike Denzer, Heike Vollbach, Martin Wabitsch, Till Roenneberg, Celine Vetter
BACKGROUND: Increasing evidence link sleep curtailment and circadian misalignment with adverse metabolic outcome. Adolescents might be most affected, given their late sleep timing and early school and work start times. OBJECTIVE: Our aim was to examine the impact of poor sleeping habits on glycemic control in adolescents with type 1 diabetes. SUBJECTS AND METHODS: This was a non-interventional multicenter study across Germany recruiting pubertally mature adolescents with type 1 diabetes...
February 2018: Pediatric Diabetes
https://www.readbyqxmd.com/read/28827040/effect-of-sleep-patterns-on-levetiracetam-induced-mood-changes
#16
Randip Taneja, Krystal Hunter, Evren Burakgazi-Dalkilic, Melissa Carran
A common side effect of levetiracetam is the onset of neuropsychiatric symptoms such as mood changes including depression, anxiety, agitation, and sometimes psychosis. We performed a retrospective analysis to examine the effect of sleep pattern and chronotype on individual susceptibility to levetiracetam-induced mood changes. We reviewed records of 110 adults with epilepsy presenting to our clinic during a 3-month period, and categorized them into those currently on levetiracetam, and those no longer taking it because of mood-related adverse effects...
August 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28708003/arntl-clock-and-per3-polymorphisms-links-with-chronotype-and-affective-dimensions
#17
Konrad S Jankowski, Monika Dmitrzak-Weglarz
Recently, seven single nucleotide polymorphisms (SNPs) of ARNTL, TIM and PER3 genes were found associated with affective temperaments in bipolar disorder patients. This study aimed to test whether a) the same associations appear in a non-clinical sample; b) the SNPs are related to other affective dimensions; c) the SNPs underpin the associations between chronotype and affective temperaments/dimensions. Three hundred thirty-eight university students completed the Temperament Scale of Memphis, Pisa, Paris and San Diego Auto-questionnaire, the Centre for Epidemiological Studies Depression Scale, the Perceived Stress Scale, the General Health Questionnaire, the Seasonal Pattern Assessment Questionnaire and the Composite Scale of Morningness...
2017: Chronobiology International
https://www.readbyqxmd.com/read/28613957/chronotype-preference-matters-for-depression-in-youth
#18
Wen-Hsuan Chiu, Hao-Jan Yang, Po-Hsiu Kuo
Morningness/eveningness (M/E) preference is an important circadian rhythm indicator with strong individual variation. M/E chronotype has been found to be correlated with depression in adults, yet the relationship is less clear in children and adolescents. Additionally, poor sleep quality is another commonly studied risk factor for depression. The aims of the present study are to investigate the independent effects of M/E chronotype on youth depression using both self-report and parental-report questionnaires...
June 14, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28574288/chronotype-and-its-relationship-with-sleep-disorders-in-children-with-attention-deficit-hyperactivity-disorder
#19
Fatma Benk Durmuş, Ayşe Rodopman Arman, Ayşe Burcu Ayaz
Chronotype can be classified as morningness types, people who prefer morning hours for their physical and mental activities; eveningness types, people who prefer the afternoon or evening hours; and intermediate types, those who show characteristics of both morningness and eveningness types. Attention deficit hyperactivity disorder (ADHD) has been linked with disturbances in chronotype, particularly increased eveningness. Despite the possibility of an association between chronotypes, sleep disturbances and ADHD symptoms, there is little evidence of this association considering the child population...
June 2, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28491049/sleep-disturbances-in-phenylketonuria-an-explorative-study-in-men-and-mice
#20
Vibeke M Bruinenberg, Marijke C M Gordijn, Anita MacDonald, Francjan J van Spronsen, Eddy A Van der Zee
Sleep problems have not been directly reported in phenylketonuria (PKU). In PKU, the metabolic pathway of phenylalanine is disrupted, which, among others, causes deficits in the neurotransmitters and sleep modulators dopamine, norepinephrine, and serotonin. Understanding sleep problems in PKU patients may help explain the pathophysiology of brain dysfunction in PKU patients. In this explorative study, we investigated possible sleep problems in adult treated PKU patients and untreated PKU mice. In the PKU patients, sleep characteristics were compared to healthy first degree relatives by assessment of sleep disturbances, sleep-wake patterns, and sleepiness with the help of four questionnaires: Holland sleep disorder questionnaire, Pittsburgh sleep quality index, Epworth sleepiness scale, and Munich Chronotype Questionnaire...
2017: Frontiers in Neurology
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