Sleep is the holy grail of health, but unlike the real Holy Grail, it can actually be pretty easy to obtain for some people. For others, it can feel like your biology is directly opposed to doing this pretty simple activity during society's allotted times. Well, my fellow Night Owls, it turns out that your worst fears are true: being an "evening person" is a genetic trait that screws you over if you live a 9-5 lifestyle.
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Partial Abstract:
INTRODUCTION: Functional connectivity (FC) of the human brain’s intrinsically connected networks underpins cognitive functioning and disruptions of FC are associated with sleep and neurological disorders. However, there is limited research on the impact of circadian phenotype and time of day on FC.
STUDY OBJECTIVES: The aim of this study was to investigate resting state FC of the default mode network (DMN) in Early and Late circadian phenotypes over a socially constrained day.
METHODS: 38 healthy individuals (14 male, 22.7 ± 4.2 years) categorized as Early (n =16) or Late (n =22) using the Munich ChronoType Questionnaire took part. Following a two week baseline of 35 actigraphy coupled with saliva samples for melatonin and cortisol rhythms, participants underwent testing at 14.00 h, 20.00 h, and 08.00 h the following morning. Testing consisted of resting-state functional MRI, a structural T1 scan, attentional cognitive performance tasks, and self-reported daytime sleepiness. Seed-based FC analysis from the medial prefrontal and posterior cingulate cortices of the DMN was performed, compared between groups and linked with behavioral data.
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Night Owls Are Screwed by the 9-5 Work Day | Inverse
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inverseinversedotcominverse channelinverse video channelsciencetechsleepsleep sciencescience of sleepnight owlsmorning larksnight owls sciencescience of staying upscience of sleeping inhow to be less sleepyhow to be less tiredwhy am i so tiredwhy can't i wake up earlywhy can't i wake up on timewhy do i stay up all nightwhy do i stay up latedr facer-childsuniversity of birminghamsleep studysleep journal9 to 5 work daynight owl
