[stylist] off-topic, circadian cycles

[Steve Jacobson]

I've been told that my skepticism regarding some of this is unfounded, so I have tried to not comment.  
Still, I have to ask.  Barbara, isn't it possible that since you have lost your vision that you have had 
to deal with a lot of things in new and different ways?  Couldn't that explain being more tired?  Even 
people who have moved from a little vision to none have some pretty big changes in how they do things.

Best regards,

Steve Jacobson


On Thu, 29 Sep 2011 09:29:02 -0500, Barbara Hammel wrote:

>But I think one's system can just be off just because that's the way one was 
>made.  I understand what you're saying and it does seem to hold true.  I 
>know since I lost what little vision I had, I seem tired all the time 
>because I don't see the sun to make me feel alert.
>But some people just seem to be off.  I'm a bit like Bridget in that I'd 
>love to be able to stay up later and get up later because I've always found 
>night time such an enchanting time for thinking and writing.
>Barbara




>Let every nation know whether it wishes us well or ill, that we shall pay 
>any price, bear any burden, meet any hardship, support any friend, oppose 
>any foe, in order to assure the survival and the success of liberty.--John 
>F. Kennedy
>-----Original Message----- 
>From: Chris Kuell
>Sent: Thursday, September 29, 2011 5:19 AM
>To: Writer's Division Mailing List
>Subject: [stylist] off-topic, circadian cycles

>Hi Barbara,

>The compound melatonin controls the human circadian sleep cycle. It is
>produced in the pinneal gland in the brain, and it's production is triggered
>through the reception of light in the eyes during the normal course of
>day/night. Many totally blind people have irregular or no melatonin
>production, depending on their eye condition and whether or not the rods and
>cones in the retina are picking up any light, and hence suffer insomnia or
>irregular sleep patterns. A lack of melatonin is also associated with mild
>depression.

>A few years after I lost my sight a friend, who happens to be a
>psychiatrist, told me about this phenomena. I've been taking a melatonin
>supplement ever since and my sleep patterns, while not perfect, are much
>better than they were.

>chris



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