Does sleep duration, napping, and social jetlag predict hemoglobin A1c among college students with type 1 diabetes mellitus?

Saylor, Jennifer; Ji, Xiaopeng; Calamaro, Christina J.; Davey, Adam

doi:10.1016/j.diabres.2019.01.007

Cited by 15 publications

(13 citation statements)

References 47 publications

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“…Two related adolescent studies did not find an association between SJL and markers of glucose dysregulation (27, 28). In a cross-sectional study of 76 college students with T1D, social jetlag was not a significant predictor of HbA1c (47). Overall, the association between SD of sleep duration or timing and glucose metabolism may differ across the population.…”

Section: Diabetesmentioning

confidence: 86%

Irregular sleep and cardiometabolic risk: Clinical evidence and mechanisms

Zhang

Qin

2023

Front. Cardiovasc. Med.

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Sleep regularity is an essential part of the multidimensional sleep health framework. The phenomenon of irregular sleep patterns is widespread in contemporary lifestyles. This review synthesizes clinical evidence to summarize the measures of sleep regularity and discusses the role of different sleep regularity indicators in developing cardiometabolic diseases (coronary heart disease, hypertension, obesity, and diabetes). Existing literature has proposed several measurements to assess sleep regularity, mainly including the standard deviation (SD) of sleep duration and timing, sleep regularity index (SRI), interdaily stability (IS), and social jetlag (SJL). Evidence on associations between sleep variability and cardiometabolic diseases varies depending on the measure used to characterize variability in sleep. Current studies have identified a robust association between SRI and cardiometabolic diseases. In comparison, the association between other metrics of sleep regularity and cardiometabolic diseases was mixed. Meanwhile, the associations of sleep variability with cardiometabolic diseases differ across the population. SD of sleep characteristics or IS may be more consistently associated with HbA1c in patients with diabetes compared with the general population. The association between SJL and hypertension for patients with diabetes was more accordant than in the general population. Interestingly, the age-stratified association between SJL and metabolic factors was observed in the present studies. Furthermore, the relevant literature was reviewed to generalize the potential mechanisms through which irregular sleep increases cardiometabolic risk, including circadian dysfunction, inflammation, autonomic dysfunction, hypothalamic–pituitary–adrenal (HPA) axis disorder, and gut dysbiosis. Health-related practitioners should give more attention to the role of sleep regularity on human cardiometabolic in the future.

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Section: Diabetesmentioning

confidence: 86%

Irregular sleep and cardiometabolic risk: Clinical evidence and mechanisms

Zhang

Qin

2023

Front. Cardiovasc. Med.

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“…The adolescent Sleep, Caffeine Intake and Technology Use (ASCT) questionnaire was self-administered questionnaire (13,14). The socio-demographical data including age, gender whether male or female, method of insulin administration whether subcutaneous injection or using an insulin pump and the number of years diagnosed with T1DM whether one year or more than one year in addition to the last HbA1c level during 3 months from the medical les of the patients.…”

Section: Methodsmentioning

confidence: 99%

“…The instrument was originally designed for adolescents in a previous study (14) and then used in another study, with permission, for early young adults with some modi cations (13). To use the instrument in the current study, approval was obtained from the authors.…”

Section: Methodsmentioning

confidence: 99%

“…The duration of diabetes was negatively associated with coffee consumption as well as coffee intake was less among female patients (12). Despite the daily intake of caffeine among young American adults aged between 18 and 25 years old with T1DM was 265.28 mg daily, caffeine intake wasn't signi cantly correlated with HbA1c as glycemic control (13).…”

Section: Introductionmentioning

confidence: 94%

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The Association Between Caffeine Intake And Glycemic Control Among Adolescents With Type 1 Diabetes Mellitus

Al-Smadi,

Alakour,

Khader

2023

Preprint

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AIM: The present study aimed to examine the association between caffeine intake and glycemic control as measured by HbA1c levels among adolescents with type 1 diabetes mellitus. METHOD: A cross-sectional study of eligible 96 adolescents aged between 13 to 18 years old with type 1 diabetes mellitus from three governmental hospitals and one university hospital in Jordan. Descriptive analysis was done to describe sample characteristics as well as using correlation to find the relationship between caffeine intake and glycemic control. RESULTS: The mean age of adolescents was 14.7 years old. 95.8% used the subcutaneous insulin injection method and only 4.2% used an insulin pump. 84.4% of adolescents were diagnosed with type 1 diabetes mellitus for more than one year. The mean HbA1c level was 9.3%. Study results showed that the mean daily caffeine intake was 286.7 mg which was associated with glycemic control as measured by HbA1c level. CONCLUSION: Modifying the amount of daily caffeine intake may be a proper target to get better glycemic control, especially among adolescents with type 1 diabetes mellitus.

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“…45 However, given the age-dependence of social jetlag these numbers cannot be automatically generalized to the wider population. To illustrate, social jetlag appears highest in adolescents with T1D (mean, SD: 2.5, 1.2 hours) 46 and young adults with T1D (mean, SD: 1.62, 0.87 hours), 47 followed by adults with T1D (mean, SD: 53, 53 minutes; 44 median, interquartile range: 49, 24-79 minutes 48 ) and adults with T2D (median, range 15, 0-304 minutes 49 and mean 35 minutes). 50 One study directly compared sleep timing parameters between adults with and without T2D, finding a difference in self-reported social jetlag (median 43 vs 23 minutes in people with versus without T2D), suggesting there might be a difference in the prevalence.…”

Section: Circadian Rhythmmentioning

confidence: 99%

Sleep and Circadian Rhythm Disturbances in Diabetes: A Narrative Review

Rutters¹,

Nefs²

2022

DMSO

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Sleep and circadian rhythm disturbances are less-known risk factors for the development and suboptimal outcomes of diabetes. The goal of this narrative review is to highlight the importance of sleep and circadian rhythm disturbances in the development and outcomes of type 1 diabetes (T1D) and type 2 diabetes (T2D), assess current treatment options and the possible mediating mechanisms. We performed a literature search using PubMed and selected relevant English and Dutch papers. Disturbances of sleep and circadian rhythm are common in people with diabetes. They are associated with an increased risk of developing T2D as well as with suboptimal diabetes outcomes (including higher HbA 1c levels and reduced quality of life) for T1D and T2D. Preliminary data suggest that treatment of sleep and circadian rhythm disturbances could improve diabetes outcomes in people with T1D and T2D. Finally, the association with medical parameters appears to be mediated by disturbance in hormones, and by suboptimal self-care including forgetting or postponing glucose monitoring or medication use as well as higher consumption of high fat/high sugary foods. Diabetes may also disturb sleep, for example through nocturnal hypoglycemia and nocturia. We concluded that sleep and circadian rhythm disturbances are closely linked with diabetes. More attention to sleep in regular diabetes care is warranted, while further research is needed on treatment of sleep and circadian rhythm disturbances in the prevention of diabetes and its suboptimal outcomes.

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Does sleep duration, napping, and social jetlag predict hemoglobin A1c among college students with type 1 diabetes mellitus?

Cited by 15 publications

References 47 publications

Irregular sleep and cardiometabolic risk: Clinical evidence and mechanisms

Irregular sleep and cardiometabolic risk: Clinical evidence and mechanisms

The Association Between Caffeine Intake And Glycemic Control Among Adolescents With Type 1 Diabetes Mellitus

Sleep and Circadian Rhythm Disturbances in Diabetes: A Narrative Review

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