PubMed Journals Articles About "Sleep Circadian Friendly Critical Illness" RSS

05:48 EST 22nd January 2020 | BioPortfolio

Sleep Circadian Friendly Critical Illness PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Sleep Circadian Friendly Critical Illness articles that have been published worldwide.

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Showing "Sleep Circadian Friendly Critical Illness" PubMed Articles 1–25 of 11,000+

Sleep and Delirium in Critically Ill Adults: A Contemporary Review Chest.

Sleep is important to health and well-being and studies in healthy adults have demonstrated that sleep deprivation impacts respiratory, immune and cognitive function. Historically, due to the nature of critical illness, sleep has not been considered a priority for patient care in the intensive care unit. More recently, research has demonstrated that sleep is markedly abnormal in critically ill patients. In addition, there is often disruption of circadian rhythms. Delirium is a syndrome of acute alteration i...

Sleep and circadian risk factors for alcohol problems: a brief overview and proposed mechanisms.

Disturbances in sleep and circadian rhythms may be important, albeit underappreciated, risk factors for the initiation of alcohol use and the escalation of alcohol problems. In this review, we first describe sleep and circadian changes during adolescence and young adulthood. Second, we explain how these sleep/circadian changes intersect with onset and escalation of alcohol use. Third, we briefly note how alcohol use (whether acute or chronic) affects sleep and circadian rhythms. Finally, we articulate a con...

Circadian Biology and Its Importance to Intensive Care Unit Care and Outcomes.

Circadian rhythms are an integral part of life on earth. Circadian rhythms play a fundamental role in homeostasis as they ensure coordination between the environment and an organism's behavior and physiology. This coordination is called entrainment. Entrainment depends on environmental cues known as zeitgebers. Human zeitgebers include light (primary zeitgeber), sleep, eating, exercise, and activity. Circadian rhythms are disrupted in critically-ill patients due to both critical illness and current intensiv...

Sleep in seasonal affective disorder.

Sleep in seasonal affective disorder (SAD) has been primarily characterized by delayed sleep timing and self-reports of hypersomnolence. It is unclear whether delayed sleep timing is due to circadian or behavioral misalignment and if effective treatments operate independently of the circadian system. Discrepancies between self-report and actigraphic/polysomnographic sleep duration in SAD hinder clarification of hypersomnolence as a cardinal symptom. Previous studies have largely neglected the summer remissi...

Actigraphic measures of sleep on the wards after ICU discharge.

The purpose of this study was to use an objective measure to evaluate sleep quality on the ward after ICU discharge in survivors of critical illness.

Circadian skin temperature rhythms, circadian activity rhythms and sleep in individuals with self-reported depressive symptoms.

Disturbed circadian rhythms have been associated with depression. New body-worn devices allow the objective recording of circadian parameters such as physical activity, skin temperature and sleep. The objective of this study was to investigate whether circadian skin temperature and circadian activity rhythms are altered in depressed individuals.

Thinking about complex decisions: How sleep and time-of-day influence complex choices.

In this study, we systematically manipulate a person's state of sleep; Sleep-deprived and Well-rested along with Matching or Mismatching the decision time-of-day to their circadian preferred time-of-day. We assessed how these conditions influenced performance on an incentivized complex decision task. In the overall analysis of these variables no differences emerged. However, a comparison of the more cognitively depleting Sleep-deprivation/Circadian-mismatch condition to the cognitively enhancing Well-rested...

Genetics of the human circadian clock and sleep homeostat.

Timing and duration of sleep are controlled by the circadian system, which keeps an ~24-h internal rhythm that entrains to environmental stimuli, and the sleep homeostat, which rises as a function of time awake. There is normal distribution across the population in how the circadian system aligns with typical day and night resulting in varying circadian preferences called chronotypes. A portion of the variation in the population is controlled by genetics as shown by the single-gene mutations that confer ext...

Promoting sleep and circadian health may prevent postoperative delirium: A systematic review and meta-analysis of randomized clinical trials.

This systematic review with meta-analysis and trial sequential analysis of randomized clinical trials aimed to clarify the efficacy of sleep and circadian interventions on preventing postoperative delirium. The search and screening identified 13 trials with great heterogeneity in interventions, surgery types as well as methods for evaluating delirium, sleep and circadian rhythms. Meta-analyses revealed that sleep and circadian interventions were associated with decreased incidences of postoperative delirium...

Sleep Physiology, Circadian Rhythms, Waking Performance and the Development of Sleep-Wake Therapeutics.

Disturbances of the sleep-wake cycle are highly prevalent and diverse. The aetiology of some sleep disorders, such as circadian rhythm sleep-wake disorders, is understood at the conceptual level of the circadian and homeostatic regulation of sleep and in part at a mechanistic level. Other disorders such as insomnia are more difficult to relate to sleep regulatory mechanisms or sleep physiology. To further our understanding of sleep-wake disorders and the potential of novel therapeutics, we discuss recent fi...

Sleep therapeutics and neuropsychiatric illness.

Alterations in sleep are extremely common in patients with neuropsychiatric illness. In addition, sleep disorders such as insomnia, obstructive sleep apnea, rapid eye movement sleep behavior disorder, and circadian rhythm disorders commonly occur at a rate greater than the general population in neuropsychiatric conditions. Historically, sleep problems have been viewed as symptoms of associated neuropsychiatric disorders. However, there is increasing evidence suggesting a complex inter-relationship with poss...

The inner clock - blue light sets the human rhythm.

Visible light synchronizes the human biological clock in the suprachiasmatic nuclei of the hypothalamus to the solar 24-hour cycle. Short wavelengths, perceived as blue color, are the strongest synchronizing agent for the circadian system that keeps most biological and psychological rhythms internally synchronized. Circadian rhythm is important for optimum function of organisms and circadian sleep-wake disruptions or chronic misalignment often may lead to psychiatric and neurodegenerative illness. The benef...

Rapid suppression of bone formation marker in response to sleep restriction and circadian disruption in men.

We describe the time course of bone formation marker (P1NP) decline in men exposed to ~ 3 weeks of sleep restriction with concurrent circadian disruption. P1NP declined within 10 days and remained lower with ongoing exposure. These data suggest even brief exposure to sleep and circadian disruptions may disrupt bone metabolism.

Polygenic impact of morningness on the overnight dynamics of sleep spindle amplitude.

Sleep spindles are thalamocortical oscillations that contribute to sleep maintenance and sleep-related brain plasticity. The current study is an explorative study of the circadian dynamics of sleep spindles in relation to a polygenic score (PGS) for circadian preference towards morningness. The participants represent the 17-year follow-up of a birth cohort having both genome-wide data and an ambulatory sleep EEG measurement available (N = 154, Mean age = 16.9, SD = 0.1 years, 57% girls). Based on a ...

Using big data to explore worldwide trends in objective sleep in the transition to adulthood.

Development induces changes in sleep, and its duration has been reported to change as a function of aging. Additionally, sleep timing is a marker of pubertal maturation, where during adolescence, the circadian rhythm shifts later. Typically, this is manifested in a later sleep onset in the evening and later awakening in the morning. These changes across development seem to be universal around the world but are unlikely to persist into adulthood.

Artificial Bright Light Therapy for Circadian Rhythm Sleep-Wake Disorders.

Sleep, premenstrual mood disorder, and women's health.

Women experience increased vulnerability for both mood and sleep disorders, and the female menstrual cycle represents one fundamental mechanism related to risk. This review evaluates recent literature integrating female reproduction, sleep, and mood. For as many as one third of women, sleep is disrupted premenstrually, and sleep disturbances are particularly prevalent in those with premenstrual mood disorders. Variation in sleep patterns, circadian rhythm alterations, and decreased melatonin secretions due ...

Sleep-wake and circadian disturbances in Parkinson disease: a short clinical guide.

Sleep-wake and circadian disturbances are very frequent and often troublesome symptoms in patients suffering from Parkinson disease. Therefore, a concept for the evaluation and therapy of such disturbances must be considered and implemented by all physicians involved in Parkinson care. The present review shall offer a short and condensed guide for the clinician. It summarizes the epidemiology of sleep-wake and circadian disturbances in Parkinson disease, sheds some light into translational studies forwardin...

Exploration of muscle loss and metabolic state during prolonged critical illness: Implications for intervention?

Muscle wasting in the critically ill is up to 2% per day and delays patient recovery and rehabilitation. It is linked to inflammation, organ failure and severity of illness. The aims of this study were to understand the relationship between muscle depth loss, and nutritional and inflammatory markers during prolonged critical illness. Secondly, to identify when during critical illness catabolism might decrease, such that targeted nutritional strategies may logically be initiated.

Sleep-wake disturbances in hospitalized patients with traumatic brain injury: association with brain trauma but not with an abnormal melatonin circadian rhythm.

To test whether the sleep-wake cycle disruption in patients hospitalized with traumatic brain injury (TBI) (1) is also found in patients with traumatic injuries other than TBI (non-TBI) and (2) is associated with a weaker or abnormal circadian clock signal.

Molecular connections between circadian clocks and aging.

The mammalian circadian clockwork has evolved as a timing system that allows the daily environmental changes to be anticipated, so that behavior and tissue physiology can be adjusted accordingly. The circadian clock synchronizes the function of all cells within tissues in order to temporally separate preclusive and potentially harmful physiologic processes, and to establish a coherent temporal organismal physiology. Thus, proper functioning of the circadian clockwork is essential for maintaining cellular an...

Association between maternal fermented food consumption and infant sleep duration: The Japan Environment and Children's Study.

Evidence indicates that human circadian rhythm is affected by the intestinal microbiota, and establishment of the circadian rhythm begins during fetal development. However, the relationship between maternal fermented food intake and infant sleep duration has not been previously investigated. In this study, we examined whether dietary consumption of fermented food during pregnancy is associated with infant sleep duration at 1 year of age.

ADHD and sleep: recent advances and future directions.

Individuals with attention-deficit/hyperactivity disorder (ADHD) frequently have sleep disturbances, daytime sleepiness, and/or circadian rhythm abnormalities. This article reviews recent advancements and key future directions: examining group differences across the life span, advancing a developmental psychopathology perspective, moving from correlation to causation, conceptualizing ADHD as a 24-hour disorder, understanding sleep in relation to other health behaviors, and evaluating sleep in interventions ...

Multidisciplinary rehabilitation reduces hypothalamic grey matter volume loss in individuals with preclinical Huntington's disease: A nine-month pilot study.

Hypothalamic pathology is a well-documented feature of Huntington's disease (HD) and is believed to contribute to circadian rhythm and habitual sleep disturbances. Currently, no therapies exist to combat hypothalamic changes, nor circadian rhythm and habitual sleep disturbances in HD.

Red blood cell distribution width provides additional prognostic value beyond severity scores in adult critical illness.

The prognostic value of red blood cell distribution width (RDW) in critical illness remains controversial. The aim of this study was to investigate the prognostic value of on-admission RDW for in-hospital and 4-year mortality in adults with critical illness.

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