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How lack of sleep could hurt you?

30 Sep

How lack of sleep could hurt you?

sleep-deprivationNot only may sleep help your memory, but lack of sleep may also hurt your health. A 2010 study from Biological Psychiatry found that chronic insomnia may lead to loss of brain volume. Researchers used fMRI scans to examine the brains of 37 human subjects with and without chronic insomnia. Insomniacs had a smaller volumes of gray matter in three brain areas — and the more serious the insomnia, the greater the loss of volume. 

And in 2012, a preliminary study from the Washington University School of Medicine found that in mice, poor sleep may be related to brain plaques associated with Alzheimer’s.

Luminosity.com

2. Sleep Loss Dumbs You Down

Sleep plays a critical role in thinking and learning. Lack of sleep hurts these cognitive processes in many ways. First, it impairs attention, alertness, concentration, reasoning, and problem solving. This makes it more difficult to learn efficiently.

Second, during the night, various sleep cycles play a role in “consolidating” memories in the mind. If you don’t get enough sleep, you won’t be able to remember what you learned and experienced during the day. 

3. Sleep Deprivation Can Lead to Serious Health Problems

Sleep disorders and chronic sleep loss can put you at risk for:

  • Heart disease
  • Heart attack
  • Heart failure
  • Irregular heartbeat
  • High blood pressure
  • Stroke
  • Diabetes

http://www.webmd.com/

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Posted by on September 30, 2014 in Informativ, Reblogged

 

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