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lighted electronic devices at night can disrupt sleep, circadian and melatonin production.


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Showing 1-25 of 25 posts in this discussion
Initial post: Aug 16, 2013 9:55:59 PM PDT
[Customers don't think this post adds to the discussion. Show post anyway. Show all unhelpful posts.]

In reply to an earlier post on Aug 16, 2013 10:35:08 PM PDT
Miss Carol says:
What does this have to do with Kindles? This is a Kindle discussion board. Not all Kindles are back-lit after all.

In reply to an earlier post on Aug 16, 2013 10:48:36 PM PDT
Hi Miss Carol. You answered your own question precisely... some Kindles ARE back-lit and edge-lit with LEDs which are high in the blue spectrum, and most definitely can disrupt human circadian and essential melatonin flow. This is something very important to consider, because there are simple work-arounds anyone can implement. It can work for you or against you... but first you need to know it will affect you.

Posted on Aug 16, 2013 11:13:14 PM PDT
Miss Carol says:
Mine isn't. It's e-ink. To read off it - you need a light source just so like any other type of book. And I still fail to see what this has to do with Kindles. It's not new information and if people feel like reading at night (or playing on their computer or watching TV), they're probably going to choose to do so. After all - people are still currently allowed to choose what they want to do about stuff like this. Unless you're planning to create a law saying I'm not allowed to watch TV at night - what difference does it make?

In reply to an earlier post on Aug 16, 2013 11:20:03 PM PDT
Hi Miss Carol, You sound unnecessarily defensive, Maybe it is because you are not getting your melatonin and it is triggering a mood or sleeping disorder. Nowhere do i even come close to suggesting that a law be created to ban TV and computers at night. For example, cigarette smoking is not even banned, and it is also a known carcinogen... however, people have the right to know... right? and then they can choose intelligently.

In reply to an earlier post on Aug 16, 2013 11:41:41 PM PDT
JES says:
So, I am guessing you have a book that explains all of this? And this is your attempt to promote your book

In reply to an earlier post on Aug 17, 2013 12:10:42 AM PDT
Last edited by the author on Aug 17, 2013 6:16:12 AM PDT
Hi JES, I volunteer 40 hours per week to help get this research out. I have already listed some of the top researchers on the subject in my initial message. I have no book to promote, and will never profit from this at all. I am a cancer survivor, and I am doing what I can to help reduce suffering whenever possible. Not to say that all cancers are preventable, but there are ways to reduce risks, and for those who need to use light at night, the recommendations are use dim red or amber light, or use blue-blocking glasses if you want to minimize circadian disruption. However, as mentioned earlier, sometimes people need to stay awake and alert... shift workers from police to astronauts. In these cases, blue light can help them. (btw, the World Health Organization declared shift work a probable carcinogen because artificial light-at-night LAN directly disrupts circadian and melatonin. American Medical Association also unanimously decreed LAN is harmful to health and safety of humans-- especially light high in blue spectrum.) This is a subject I have studied for years, and have collected hundreds of studies, gone to symposiums by the top experts, and even chaired a symposium that brought in the top experts (that i personally subsidized the cost). I believe this is very important to understand, and it is stunningly daunting to observe how long it takes for this information to be known by the general population. I recommend that you check into it yourself. I personally met the scientists that NASA hired to do 10-yr studies to help the astronauts in space dealing with constant circadian disruption. Believe me, this is real. Please continue to enjoy your reading at night, using computers, or TV BUT consider using glasses that specifically block out the blue spectrum. and when you're done and time for sleep, unplug any device that has a blue spectrum light, use black out curtains if streetlights or floodlights trespass into your sleeping room, OR put on a sleeping mask. PS The other part of the equation is that you need Bright bright DAYS with LOTS of BLUE light. cheers to you. really.

In reply to an earlier post on Aug 17, 2013 12:34:12 AM PDT
Dorsie says:
Most people who read on LCD's at bedtime use white text, black background, and a low brightness setting in a dark or dimly lighted room. It's very relaxing and helps me sleep.

In reply to an earlier post on Aug 17, 2013 4:02:51 AM PDT
[Deleted by Amazon on Aug 17, 2013 7:21:42 AM PDT]

In reply to an earlier post on Aug 17, 2013 6:17:52 AM PDT
Last edited by the author on Aug 17, 2013 6:57:20 AM PDT
Hi Dorsie, It takes only 3 lux of light to disrupt your melatonin production.

Posted on Aug 17, 2013 6:41:59 AM PDT
[Deleted by Amazon on Nov 5, 2013 6:51:21 AM PST]

In reply to an earlier post on Aug 17, 2013 6:46:26 AM PDT
Last edited by the author on Aug 17, 2013 6:56:06 AM PDT
[Customers don't think this post adds to the discussion. Show post anyway. Show all unhelpful posts.]

In reply to an earlier post on Aug 17, 2013 6:49:47 AM PDT
Yeah, call me at dinnertime, m'kay?

In reply to an earlier post on Aug 17, 2013 6:50:57 AM PDT
Just Peachy says:
If you read about this in another forum, why are you here?

In reply to an earlier post on Aug 17, 2013 6:51:38 AM PDT
Because Walmart doesn't want her.

In reply to an earlier post on Aug 17, 2013 6:52:54 AM PDT
Loz says:
Everything is easily found on a google search. Doesn't make it fact.

In reply to an earlier post on Aug 17, 2013 7:24:47 AM PDT
Hi Peachy Pat, I giving my personal time to share this information on this forum because it directly affects many here. I hope that it will inspire some to search out more information, and share it with their family and friends. Many forms, (not only using electronic devises at night) of Light-at-night LAN/Light pollution affect you, wildlife, ecosystems and the environment. Scientific research gave us easy solutions to use so that we can have both light at night and our health, but you can't use them if you don't know about them. I am "untracking" this discussion. This forum has been very rude, and accused me of things totally unfounded. But, I hope that at least one person in this forum will be inquisitive enough to search out more information, and use it as guidance to implement precautionary principles in their homes... especially for their children's sake.

In reply to an earlier post on Aug 17, 2013 7:30:19 AM PDT
Sweetie, this isn't your own personal free PSA space. Take it somewhere else, or don't, but it doesn't belong here. Go see if Best Buy customers respond more politely to your rudeness.

Posted on Aug 17, 2013 6:07:18 PM PDT
Jackie says:
I assume the OP is an xspurt

In reply to an earlier post on Aug 17, 2013 6:24:02 PM PDT
I think we're capable of making our own decisions about how we use our electronic devices.

In reply to an earlier post on Aug 18, 2013 5:16:13 AM PDT
"The other part of the equation is that you need Bright bright DAYS with LOTS of BLUE light."

Which is, of course, why sunlight is blue light. [end irony]

(I agree that blue-spectrum light disrupts melatonin production, by the way. But if you try to emphasise your point by making extreme statements, it harms your cause rather than helping it.)

In reply to an earlier post on Aug 18, 2013 3:53:58 PM PDT
Last edited by the author on Aug 18, 2013 7:32:29 PM PDT
Reality Check:
Your statement about the AMA is inaccurate and misleading. The AMA did recently adopt policy calling for more study of this issue, and said that "excessive" light at night, involving "extended use" of electronic media, can disrupt sleep or "exacerbate" sleep disorders. That's not anything close to what you're claiming. And BTW, the AMA doesn't "unanimously decree" ANYTHING! The AMA has 100,000's of members, and that AMA policy was set by the House of Delegates, which has hundreds of voting members.
I suspect that most of your "information" is similarly inaccurate.

In reply to an earlier post on Aug 18, 2013 4:48:58 PM PDT
Dog Lover says:
<Do you know that >

... obnoxious creators of irrelevant posts become the argument AGAINST anything they post?

... you are your own worst enemy?

... you are now (probably) on ignore status for many readers of this forum?

-- I do not CARE about this now simply because of your post?

DL

Posted on Nov 8, 2013 9:24:03 AM PST
lets just say that 1 in 1000 people are having sleep problems and they didn't know about this potential cause. Her post could help some people. A I read kindle at bedtime like Dorsie posted says enough. No need for personal attacks.

By the way, 1 in a 1000 is still a lot of kindle readers, they are awesome devices. I don't know if I could sleep without one. :)

In reply to an earlier post on Nov 8, 2013 9:29:51 AM PST
King Al says:
It is useful information, but it is highly unlikely many people would have read it, since other threads would have bumped it off the front page.
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Discussion in:  Kindle forum
Participants:  15
Total posts:  25
Initial post:  Aug 16, 2013
Latest post:  Nov 8, 2013

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