Tag

Circadian Rhythm
20
Sep

Daily and Seasonal Variation in Light Exposure among the Old Order Amish

September 20, 2020
Lee EE, Amritwar A, Hong LE, Mohyuddin I, Brown T, Postolache TT. Daily and Seasonal Variation in Light Exposure among the Old Order Amish. Int J Environ Res Public Health. 2020 Jun 21;17(12):4460. doi: 10.3390/ijerph17124460. PMID: 32575882; PMCID: PMC7344929. Abstract Exposure to artificial bright light in the late evening and early night, common in modern...
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18
Sep

Do men and women have different circadian rhythms?

September 18, 2020
Source: https://sciencenorway.no/biology-gender-and-society-sleep/do-men-and-women-have-different-circadian-rhythms/1742390 New research may provide answers as to why some people tolerate being awake at night better than others. Ida Kvittingen JOURNALIST PUBLISHED Friday 18. september 2020 – 10:58 Staying awake at night and being able to sleep during the day goes against our natural circadian rhythm, but some people cope better than others. Recently, researchers...
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18
Sep

Sexual dimorphism in body clocks

September 18, 2020
Science  04 Sep 2020:Vol. 369, Issue 6508, pp. 1164-1165DOI: 10.1126/science.abd4964 Summary Circadian rhythms, or the body clock, confer temporal structure on human behavior and physiology to align homeostatic processes with anticipated changes in the environment. Disruption of these rhythms can influence health and well-being. Chronobiological research has often failed to consider how this temporal organization may...
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07
Sep

The pandemic is ruining our sleep. Experts say ‘coronasomnia’ could imperil public health.

September 7, 2020
Source: https://www.washingtonpost.com/health/2020/09/03/coronavirus-sleep-insomnia/ Excerpt: As if the novel coronavirus has not already wrought devastation aplenty on the world, physicians and researchers are seeing signs it is doing deep damage to people’s sleep. “Coronasomnia,” as some experts now call it, could prove to have profound public-health ramifications — creating a massive new population of chronic insomniacs grappling...
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21
Aug

Blue light disrupts the circadian rhythm and create damage in skin cells

August 21, 2020
Dong K, Goyarts EC, Pelle E, Trivero J, Pernodet N. Blue light disrupts the circadian rhythm and create damage in skin cells. Int J Cosmet Sci. 2019;41(6):558-562. doi:10.1111/ics.12572 Abstract On a daily basis, the skin is exposed to many environmental stressors and insults. Over a 24-h natural cycle, during the day, the skin is focused on...
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21
Aug

Impact of circadian rhythms on female reproduction and infertility treatment success

August 21, 2020
Mills J, Kuohung W. Impact of circadian rhythms on female reproduction and infertility treatment success. Curr Opin Endocrinol Diabetes Obes. 2019;26(6):317-321. doi:10.1097/MED.0000000000000511 Abstract Purpose of review: In recent years, new studies have investigated the role and influence of sleep on female fertility and early pregnancy outcomes, providing a growing body of knowledge demonstrating how regulation by sleep...
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20
Aug

Effects of lockdown on human sleep and chronotype during the COVID-19 pandemic

August 20, 2020
Leone MJ, Sigman M, Golombek DA. Effects of lockdown on human sleep and chronotype during the COVID-19 pandemic. Curr Biol. 2020;30(16):R930-R931. doi:10.1016/j.cub.2020.07.015 Abstract The COVID-19 pandemic [1] resulted in many countries imposing a lockdown, which in turn reduces sunlight exposure and alters daily social schedules. Since these are the main entrainment factors for biological rhythms [2],...
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08
Aug

Sleep in Patients With Neurologic Disease

August 8, 2020
Benjamin SE. Sleep in Patients With Neurologic Disease. Continuum (Minneap Minn). 2020;26(4):1016-1033. doi:10.1212/CON.0000000000000887 Abstract Purpose of review: This article provides a discussion of the current evidence and contemporary views on the relationship between sleep disorders and neurologic disease. Recent findings: Disrupted or disordered sleep can be associated with increased morbidity and mortality, the risk of cardiovascular events, increased...
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06
Aug

Dramatically altered environmental lighting conditions in women with high-risk pregnancy during hospitalization

August 6, 2020
Wieduwilt A, Alsat EA, Blickwedel J, et al. Dramatically altered environmental lighting conditions in women with high-risk pregnancy during hospitalization [published online ahead of print, 2020 Aug 4]. Chronobiol Int. 2020;1-6. doi:10.1080/07420528.2020.1792484 Abstract The maternal circadian time structure is incredibly important in the entrainment and programing of the fetal and newborn circadian time structure. Natural sunlight...
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22
Jul

Addressing the health impacts of night shift work

July 22, 2020
By David Ray, July 7, 2020 Night shift work has been a common feature of industrial economies for decades, and it has long been known that working through the night can negatively impact upon health. In recent years, the evidence base about these health impacts has expanded considerably. Here, Professor David Ray introduces this evidence and highlights how...
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