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Thread: IF'ing and tiredness... page

  1. #1
    thaijinx's Avatar
    thaijinx is offline Senior Member
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    IF'ing and tiredness...

    Primal Fuel
    I've tried IF'ing for the past 3 days, with a fasting window of 17 hours.

    While I have no problems fundamentally, eating within a small window, I have found (both today and yesterday) that I've been incredibly lacking in energy, tired and lethargic and have needed to go back to my pre-primal afternoon naps, just to get through the day!

    I haven't had such crashes in energy since starting paleo!

    It's just an observation at this point, but has anyone else experienced this?

  2. #2
    MightyMouse's Avatar
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    I did at first, but upping the calories solved the problem.
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  3. #3
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    Na not me, I feel more energetic when I am IFing
    Maybe you need to wait a while longer before doing it?

  4. #4
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    Maybe you are IF for too long a period for your body, perhaps try shorter fasts and add to it until you hit the wall (or pillow).

  5. #5
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    Whenever I feel fatigued/lethargic I like to get one extraordinary session of sleep as I've noticed that the lack of energy seems to add up with each day, but maybe that's just me. Either way your body is trying to tell you something -- more rest or more energy.

  6. #6
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    i regularly fast for periods of 16-36hours, your body will eventually get used to it, dont worry it will pass if you keep it up

  7. #7
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    My husband is paleo, and a few weeks ago he developed terrible fatigue and lack of energy - the thought of going to the gym, which he'd previously loved suddenly became a huge torture. We couldn't figure out what the problem was, so we started writing down everything he was eating and we realized that he was WAY UNDEREATING in terms of calories - he was averaging around 1,000 calories per day. We made sure that he upped his calories to a minimum of 1,800 per day, and in the first day he had a significant improvement in energy. He loves to IF, but now when he does, he has to make sure that when he does eat, he gets enough calories (or if he has one very low calorie day, it's balanced by a higher calorie day).

    Have you tracked your fat/protein/calories when you IF? This could give you some valuable information about whether you're consuming enough on average.

  8. #8
    thaijinx's Avatar
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    Ok thanks for all the ideas. I will try and keep it up, and yes, I was thinking that I maybe wasn't eating enough. It's a very small window to gobble down tons of calories, and I'm just not used to such big portions.

  9. #9
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    Try slamming some tea or something during the fast. That's usually considered to be fair game. The caffeine will help you a bit, and if you're IFing for fat loss, the stimulant/fat burning properties could help with that too.

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