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Sleeping In on the Weekends Does not Fix All the Deficits Caused by Workweek Sleep Loss

RATE THIS! +62
Posted in Science on 12th Oct, 2013 09:25 AM by AlexMuller

 In many modern societies, adults often sacrifice sleep during the workweek to make time for other demands, then snooze longer on the weekends to recoup that lost sleep. Research has shown that even a few days of lost sleep can have adverse effects, including increased daytime sleepiness, worsened daytime performance, an increase in molecules that are a sign of inflammation in the body, and impaired blood sugar regulation.

 

These last two could be partially responsible for why sleeping less negatively affects health in other ways and shortens the lifespan. Though many people believe they can make up sleep lost during the workweek by sleeping more on the weekend, it’s unknown whether this “recovery” sleep can adequately reverse these adverse effects.

 

To help answer this question, researchers led by Alexandros N. Vgontzas of the Penn State University College of Medicine, placed 30 volunteers on a sleep schedule that mimicked a sleep-restricted workweek followed by a weekend with extra recovery sleep. At various points along this schedule, the researchers assessed the volunteers’ health and performance using a variety of different tests.
 
The researchers found that the volunteers’ sleepiness increased significantly after sleep restriction, but returned to baseline after recovery sleep. Levels of a molecule in blood that’s a marker for the amount of inflammation present in the body increased significantly during sleep restriction, but returned to normal after recovery. Levels of a hormone that’s a marker of stress didn’t change during sleep restriction, but were significantly lower after recovery.
 
However, the volunteers’ measures on a performance test that assessed their ability to pay attention deteriorated significantly after sleep restriction and did not improve after recovery. This last result suggests that recovery sleep over just a single weekend may not reverse all the effects of sleep lost during the workweek.


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Comments

Author: Guest
Posted: 2013-10-12
+3
With the economy and all the problems going on right now, some of the less meaningful researches need to cease. I do realize that research and science is a necessary thing but these programs need to be re-evaluated as to what they are looking for, the stability of the study, the possible results and of what good will it be to people. Reply
Author: Guest
Posted: 2013-10-12
+4
With this one week study, the only thing that did not go back to normal was the ability to pay attention, so if a longer study was done what is the possible changes here and for what are we going to use the results for. Reply
Author: Guest
Posted: 2013-10-12
+4
The levels of a hormone that’s a marker of stress didn’t change during sleep restriction, but were significantly lower after recovery, Well I will say that that is good to know. Reply
Author: Guest
Posted: 2013-10-14
+0
Wow I stayed up late all week now and i,m slap happy. I guess I need some sleep. Make up for it this weekend. Feel better now. We need some science to figure this out. lol. Reply
Author: Guest
Posted: 2013-10-26
+0
nRFgDW Say, you got a nice blog.Much thanks again. Will read on... Reply
Author: Guest
Posted: 2013-10-26
+0
fD7kgR Say, you got a nice post. Fantastic. Reply
Author: Guest
Posted: 2013-11-24
+0
I enjoy your writing style geleinuny loving this internet site. Outings are so much more fun when we can savor them through the children's eyes. by Lawana Blackwell. Reply


 

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