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Brief Communication: Sleep Curtailment in Healthy Young Men Is Associated with Decreased Leptin Levels, Elevated Ghrelin Levels, and Increased Hunger and Appetite
TLDR
In this study, 12 young, healthy, normal-weight men exhibited reductions in the satiety hormone leptin, increases in the hunger hormone ghrelin, and increases in hunger after 2 nights of only 4 hours of sleep compared with after two nights of 10 hours ofSleep, suggesting inadequate sleep seems to influence the hormones that regulate satiety and hunger. Expand
Sleep curtailment is accompanied by increased intake of calories from snacks.
TLDR
Recurrent bedtime restriction can modify the amount, composition, and distribution of human food intake, and sleeping short hours in an obesity-promoting environment may facilitate the excessive consumption of energy from snacks but not meals. Expand
The metabolic consequences of sleep deprivation.
TLDR
The present article reviews the current evidence in support of these three mechanisms that might link short sleep and increased obesity and diabetes risk. Expand
Leptin levels are dependent on sleep duration: relationships with sympathovagal balance, carbohydrate regulation, cortisol, and thyrotropin.
TLDR
Sleep modulates a major component of the neuroendocrine control of appetite, and the effects of sleep duration on leptin were quantitatively associated with alterations of the cortisol and TSH profiles and were accompanied by an elevation of postbreakfast homeostasis model assessment values. Expand
High prevalence of sleep disturbance in cirrhosis
TLDR
A sleep disturbance is frequent in cirrhotic patients without hepatic encephalopathy and may be related to abnormalities of the circadian timekeeping system. Expand
Impact of Sleep and Sleep Loss on Neuroendocrine and Metabolic Function
Background: Sleep exerts important modulatory effects on neuroendocrine function and glucose regulation. During the past few decades, sleep curtailment has become a very common behavior inExpand
Insufficient Sleep Undermines Dietary Efforts to Reduce Adiposity
TLDR
The amount of human sleep contributes to the maintenance of fat-free body mass at times of decreased energy intake and Lack of sufficient sleep may compromise the efficacy of typical dietary interventions for weight loss and related metabolic risk reduction. Expand
Exposure to recurrent sleep restriction in the setting of high caloric intake and physical inactivity results in increased insulin resistance and reduced glucose tolerance.
TLDR
Experimental bedtime restriction, designed to approximate the short sleep times experienced by many individuals in Westernized societies, may facilitate the development of insulin resistance and reduced glucose tolerance. Expand
Effects of age on the circadian system
TLDR
Determining the physiological basis for age related changes in the responsiveness of the clock to both internal and external stimuli, and the mechanisms by which normal circadian function can be restored, should lead to new insight into the functioning of the circadian clock and may lead into new approaches for normalizing disturbed circadian rhythms. Expand
A serotonin neurotoxin attenuates the phase-shifting effects of triazolam on the circadian clock in hamsters
TLDR
The finding that a 5-HT neurotoxin can attenuate the phase-shifting effects of triazolam in hamsters, without interfering with its activity-inducing properties, suggests that serotonergic afferents might be involved in the mechanism for non-photic phase-Shifting of the circadian system. Expand
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