Navigation Links
Morning grogginess more debilitating than sleep deprivation, according to CU-Boulder study

A new University of Colorado at Boulder study shows that people who awaken after eight hours of sound sleep have more impaired thinking and memory skills than they do after being deprived of sleep for more than 24 hours.

The study showed test subjects had diminished short-term memory, counting skills and cognitive abilities during the groggy period upon awakening known as sleep inertia, said CU-Boulder Assistant Professor Kenneth Wright, lead study author. The new study has implications for medical, safety and transportation workers who are often called upon to perform critical tasks immediately after waking, since cognitive deficiencies following 24 hours of sleep deprivation have previously been shown to be comparable to the effects of alcohol intoxication, he said.

The study appears in the Jan. 11 issue of the Journal of the American Medical Association. Study authors included Wright and Adam Wertz of CU-Boulder's integrative physiology department and Joseph Ronda and Charles Czeisler of Brigham and Women's Hospital in Boston, which is affiliated with Harvard Medical School.

"This is the first time anyone has quantified the effects of sleep inertia," Wright said. "We found the cognitive skills of test subjects were worse upon awakening than after extended sleep deprivation. For a short period, at least, the effects of sleep inertia may be as bad as or worse than being legally drunk."

Following six nights of monitored sleep lasting eight hours per night, the study participants were given a performance test that involved adding randomly generated, two-digit numbers, said Wright. Based on the results, the researchers concluded the subjects exhibited the most severe impairments from sleep inertia within the first three minutes after awakening, he said.

The most severe effects of sleep inertia generally dissipated within the first 10 minutes, although its effects are often detectable for up to two hours, according to the stu
'"/>

Source:University of Colorado at Boulder


Page: 1 2 3

Related biology news :

1. Wisconsin researchers identify sleep gene
2. Brain-mapping technique aids understanding of sleep, wakefulness
3. Newly discovered protein an important tool for sleeping sickness research
4. Compound might defeat African sleeping sickness, clinical trial beginning this month
5. Deep sleep short-circuits brains grid of connectivity
6. Flies on speed offer insight into the roles of dopamine in sleep and arousal
7. Asleep in the deep: Model helps assess ocean-injection strategy for combating greenhouse effect
8. Waking a sleeping virus
9. Losing sleep undoes the rejuvenating effects new learning has on the brain
10. A large step forward in the fight against African sleeping sickness
11. Serotonin, acting in a specific brain region, promotes sleep in fruit flies
Post Your Comments:
(Date:10/31/2014)... his team have been studying the behavior of ... Alps for years. They observed that ravens slowly ... and playing. However, they also observed that these ... individual. Although in about 50 % of the ... the two affiliating ravens, intervening can be potentially ...
(Date:10/30/2014)... Mich. – When most animals begin life, cells immediately ... a vital organ. However, mammals, including humans, are special. ... different first choice – to become the protective placenta ... during this critical first step that research from Michigan ... in the current issue of PLOS Genetics ...
(Date:10/30/2014)... Carolina State University researchers have developed a suite of ... dogs and humans, which has applications in everything from ... pets. , "We,ve developed a platform for computer-mediated communication ... new avenues for interpreting dogs, behavioral signals and sending ... David Roberts, an assistant professor of computer science at ...
Breaking Biology News(10 mins):Identifying the source of stem cells 2New tech aims to improve communication between dogs and humans 2
... 2011) -- Scientists at Weill Cornell Medical College used genetic ... engineered for the study of cleft lip and cleft palate. ... treat the conditions in humans. Cleft lip and cleft ... requiring multiple cycles of surgery, speech therapy and orthodontics. To ...
... zoological journal ZooKeys published by Pensoft ... says an analysis dedicated to journal,s jubilee 150th issue, By ... 10,000 pages and 420 articles (to compare with 4,962 pages ... 2008, ZooKeys published more than 19,000 pages and ...
... has come from the fossil record, but how accurately does that ... "It,s a question that goes back a long way to ... tried to understand what it tells us about the history of ... In fact, the fossil record can tell us a great ...
Cached Biology News:Cleft lip corrected genetically in mouse model 2Cleft lip corrected genetically in mouse model 3Growth through innovations and open access: The journal ZooKeys on point for digital taxonomy 2Ancient environment led to Earth's current marine biodiversity 2
(Date:10/30/2014)... Diego, CA (PRWEB) October 30, 2014 ... announced today that they have manually curated public data ... and non profit customers. the data is now ... manually curates and unifies public and internal data sources ... value and knowledge out of the data that becomes ...
(Date:10/30/2014)... Spartan Bioscience announced today that Health ... . It detects CYP2C19 genetic mutations in less than ... Spartan RX CYP2C19 System is the first near-patient DNA ... Canada. Due to the system’s ease of use, Health ... healthcare professionals such as doctors, nurses, pharmacists, and laboratory ...
(Date:10/30/2014)... (PRWEB) October 30, 2014 Avure Technologies celebrates ... 525L, the newest member of its fleet of high volume ... reaching an anniversary as we return to PackExpo this year, ... ago in Las Vegas,” said Jeff Williams, CEO at Avure. ... and we’re pleased to be meeting the challenges of market ...
(Date:10/30/2014)... Oct. 30, 2014 Isis Pharmaceuticals, Inc. (NASDAQ: ... that management will present a company overview at the Nomura ... ET in Boston, MA. ... the "Investors & Media" section of the Company,s website, ... website within 48 hours and will be archived for a ...
Breaking Biology Technology:Rancho BioSciences Manually Curated TCGA Data Sets Available 2Health Canada approves first near-patient DNA test for personalized medicine 2Health Canada approves first near-patient DNA test for personalized medicine 3In High Demand: New High Pressure Processing (HPP) System with Maximum Throughput Drives Strong Sales 2In High Demand: New High Pressure Processing (HPP) System with Maximum Throughput Drives Strong Sales 3Isis Pharmaceuticals to Present at the Nomura Biotechnology Conference 2
... INCOM Inc., the world,s leading commercial manufacturer of ... acquired Paradigm Optics, a manufacturer of polymer fiber optic ... intellectual property related to the manufacture and sale of ... capital equipment.  Paradigm Optics President & CEO Mr. David ...
... , part of Vocollect, a business unit of ... Pine Grove Nursing Center has implemented AccuNurse® voice ... care to patients and residents, while preparing for 2014 healthcare ... Grove CNAs to observe and accurately document care needs while ...
... Diagnostics, Inc. (OTC.PK: CEMI and OTC.QB: CEMI), which ... announced that Lawrence A. Siebert, President and Chief Executive ... Francisco at approximately 5:30 pm Eastern Time (2:30 pm ... The conference will be simultaneously webcast over the ...
Cached Biology Technology:INCOM Inc. Announces Acquisition of Paradigm Optics 2Pine Grove Nursing Center Uses AccuNurse Interactive Care to Improve Care and Service Delivery 2Pine Grove Nursing Center Uses AccuNurse Interactive Care to Improve Care and Service Delivery 3Chembio Presenting at Biotech Conference 2Chembio Presenting at Biotech Conference 3