Would eating a snack at night help to lower fasting BS?

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  • 6 Post By John.in.France
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Would eating a snack at night help to lower fasting BS?

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Old 11-14-2015, 16:26   #1
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Default Would eating a snack at night help to lower fasting BS?

Since I have been checking my BS levels many times a day, I have found a few things that are interesting. The first thing I have noticed is that my BS spikes come at 2 hours after eating instead of 1 hour. Now I have noticed something that I think is very unusual but I wanted to get everyone's opinion on this. I have always had high fasting levels and even though it seems my numbers are lower all through the day, my fasting numbers have not come down. The only exceptions are two times the past two weeks when I ate something around 9pm and the next morning my levels were way down. Normally they are around 125 but once when I ate in the evening, the next morning it was 110 and after eating something last night, this morning it was 86, which it has never been that low ever. I thought exercising in the evening would bring down my fasting levels the next day and eating at night would cause them to be higher. Anyone know what is going on with this? I am on no medication at this time and trying the low carb eating to lose weight and see if it will bring down my A1C.

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Old 11-14-2015, 17:12   #2
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Our body is a complex machine. When it goes out of kilter, it takes a while to bring it back under control. Take blood sugar. In general the first readings to go wrong are your post meal numbers. Over time (usually completely un-noticed) this will impact on your fasting numbers. When we go backwards, the order is the same. We get our post meal numbers down to sensible levels and our fasting number - slowly - will come into line. A direct attack on fasting figures is next to impossible.

Consider Dawn Phenomenon. This isn't peculiar to diabetics. And what follows isn't a detailed scientific description but it isn't that far wrong.

Come morning, after a good night's sleep, our body issues a wake up call. Our system kicks into action and our liver supplies a burst of energy to kick start us. How much glucose will be released? Unfortunately when the supplier was issuing user manuals, our liver was behind the door and didn't get one. So it relies on its memory. Over the last several months your typical blood sugar has been (say) 150, so that's the basis of the dump.

So, the long term solution is to bring that average blood sugar down. Short term some members have found that a low carb snack last thing at night helps convince the liver that its services aren't needed in the morning. Others - and that includes me - found it made not a blind bit of difference.

Equally chances are it will do no harm - so I can only suggest you try it and see if it helps but keep your focus on the post meal numbers - nail them down and your fasting figure will follow.

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Old 11-14-2015, 17:38   #3
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When I was T2 I would eat a very small LC fat snack after exercise and before bed. Anything we put in our mouths creates an insulin response so a very small snack was enough to elicit an insulin response and bring BS down. I advised a friend who plays lots of tennis and spikes but doesn't come down to eat a few macadamia nuts after tennis and she said it works like a charm. She eats 4 or 5 and noticed it comes back to fast before her next meal but if she doesn't eat them she stays high. Exercise always raises me and still does. A slow 15-20 min walk was the only way I could lower it. If my heart rate went up so did my BS

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Old 11-14-2015, 19:04   #4
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It doesn't work for me.

Ask your meter.

1. Accu-Chek Advantage
2. Accu-Chek Compact
3. Accu-Chek Compact Plus (2007-2013)
4. Bayer Contour USB (2013-2015)
5 Bayer Contour Next USB (2015- )
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Old 11-14-2015, 22:51   #5
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Some members (who will probably be along soon) rest best and see lower FBG in the morning if they eat a snack before going to bed. Some find they need to eat fat, some protein, some allocate a few carbs. Others, like me, see lower FBG in the morning if we eat nothing after dinner.

Trust your meter. And, from time to time, try experimenting. What works today may change after your liver forgets the bad old days.

For me, exercise seems to stimulate my liver to release glucose. But my pancreas does not notice. So, no insulin release to bring the glucose back down. Hence, I eat something before or immediately after I exercise.

- Nancy

wf, 63yo, 5'4", 110 lbs
LCHF diet-controlled T2
DXd myself with PP BG over 270
DX 12/13 with A1C 5.9
8/26/14 HbA1c 5.5
avg BG: 90 - 95 before meals, 100 - 110 one hour PP, 95 2 hours PP
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