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 Discover how coffee affects sleep & reveals the black-coffee-psychopath.

10/17/2015

4 Comments

 
Picturecoffee - www.pixels.com
 A scientific study shows a cup of coffee in the evening may be keeping you awake for more reasons than you realise.

Published in Science Translation Medicine, the results showed how caffeine was more than just a stimulant and actually slowed down the body's internal clock.

Cells were grown in a dish, and then exposed to caffeine to work out how it changed their ability to keep time.

They found the drug was also able to alter the chemical clocks ticking away in every cell of the human body.

A double espresso three hours before bedtime delayed the production of the sleep hormone melatonin by about 40 minutes, making it harder to nod off.

One of the doctors said it would be "complete speculation" to set a cut-off time for drinking caffeine in the evening but he personally never drank coffee after 17:00. Source: BBC. 

Black coffee affects my husband this way—he just can't drop off to sleep. On the other hand, I don't drink coffee, preferring tea in varied forms. And I never drink anything after 6 pm. Consequently, I sleep well.

And now to the revelation of a character trait judged on how a person drinks their coffee. A just-in-time-for-Halloween study revealed that people who like their coffee black are more likely to possess anti-social and psychopathic personality traits. ​

Pictureblack coffee - pixabay.com
 The research, published in the journal Appetite, which comes from the University of Innsbruck in Austria, examined the taste preferences of about 1,000 people. Those who preferred more bitter foods like black coffee scored higher on a series personality questionnaires that assessed Machiavellianism, a term used in psychology to describe personalities that are dark, psychopathic, narcissistic and sadistic.


The study also notes that participants who reported a fondness for any bitter foods including radishes, and celery were also more likely to exhibit psychopathic traits.

But there's a bright side of drinking coffee without milk and sugar.

From the standpoint of physical health, consuming your morning coffee earns two thumbs up.
Coffee provides major proven benefits:
increased feelings of happiness,
decreased risk for some cancers,
improved brain function.

Straight black coffee-drinkers are reaping the benefits without consuming added calories and fat.
Source: Huffington Post. 

I like bitter foods. Tea leaves a bitter tang on the palette and I like that, as well as celery. But I'm no psychopath.

Do you drink your coffee black? Does coffee affect your sleep or reveal your personality?

4 Comments
sacha link
10/17/2015 06:19:13 am

I don't drink coffee. .I suffer from insomnia coffee could make it worse

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K.Lee Banks link
10/17/2015 11:04:23 am

I usually only drink coffee in the morning, and usually limit it to one or two cups. I use Bailey's creamers, especially Mud Slide, to flavor it.

Like you, Francene, I'm more of a tea drinker, and in cooler weather, will have several cups of different kinds of tea. I wonder if the caffeine in tea has the same effect as coffee, if you drink it too close to bedtime.

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Alana link
10/17/2015 02:16:07 pm

I drink one cup of coffee (usually), in the morning, and with 2 tbsp of half and half - I don't like sweet coffee that much. If I drink coffee much past 1pm, I don't fall asleep well. I have drank afternoon coffee when I know I will need to be energetic in the evening, despite problems with falling asleep.

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Barbara link
10/17/2015 05:41:33 pm

Whew. I love my coffee. I was afraid that I would learn something here and have to give it up. Thankfully, I drink it black, yes, but with sweetener so I guess I'm not a psychopath. :) And my last cup is more than 3 hours before going to bed. :) So I'm happy. Especially with the benefits you outlined at the end!! Thanks, Francene for this excellent article.

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    Francene Stanley
    From England, I use news items in my novels which you can see below, all linked to an Amazon near you.

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