Have you suddenly felt weak and sleepy while at the gym?

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Alejandro The Vegan
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Have you suddenly felt weak and sleepy while at the gym?

#1 Postby Alejandro The Vegan » Mon Jul 19, 2010 12:07 pm

I had a 10 month slump. I didn't work out much until this last thursday. I spent the weekend on the gym.. Mainly more Cardio, and calisthenics to start off. Yesterday when I got to the gym I started off good. I did some curls and some back exercises... and then suddenly when I got to the next machine I felt sleep and really weak. I tried to tough it out and just push my self but I was barely 20 mins and I went from a 10 in energy to about a 3.. Does this happen to any of you? Why do you guys think this happen?
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cubby2112
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Re: Have you suddenly felt weak and sleepy while at the gym?

#2 Postby cubby2112 » Mon Jul 19, 2010 12:55 pm

Alejandro The Vegan wrote:I had a 10 month slump. I didn't work out much until this last thursday. I spent the weekend on the gym.. Mainly more Cardio, and calisthenics to start off. Yesterday when I got to the gym I started off good. I did some curls and some back exercises... and then suddenly when I got to the next machine I felt sleep and really weak. I tried to tough it out and just push my self but I was barely 20 mins and I went from a 10 in energy to about a 3.. Does this happen to any of you? Why do you guys think this happen?


Your work capacity probably dropped dramatically over the layoff. If I have low energy during a workout, it is at the beginning.
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Re: Have you suddenly felt weak and sleepy while at the gym?

#3 Postby medman » Mon Jul 19, 2010 1:07 pm

I agree with cubby. You're deconditioned. Your body probably hadn't recovered from the cardio and bodyweight exercises you had just done, so you were starting at a defecit to begin with and burnt yourself out quickly as a result. Maybe take more rest between gym days to start off, or take it easier (I don't know how much/how fast/how long you did your cardio) until your body is in better condition. It will take time to get back what you lost by taking 10 months off, but if you keep at it, you'll get where you want to go :)

Alejandro The Vegan
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Re: Have you suddenly felt weak and sleepy while at the gym?

#4 Postby Alejandro The Vegan » Mon Jul 19, 2010 5:40 pm

You guys are right! I just realized that when I got to the gym I felt pretty impressed on how I was curling the weight I left of 10 months ago just as easy and did good reps.. Hmmm.. I felt good those first 20 minutes, like I never left and then FLOP lol.. I see it now.

I need to take it easy. Do any of you ever just go to the gym to take it easy? just to say that you went? Maybe do a light routine?
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Re: Have you suddenly felt weak and sleepy while at the gym?

#5 Postby Richard » Sun Jul 25, 2010 5:54 am

If I am feeling low or pissed off, sometimes I get myself to the gym, but don't have the same motivation as usual, so I just do a bit, and it is better than nothing, sure. But what normally happens is that when i get to the gym and do a bit, then my blood starts pumping and I get into it. Some days I work harder than others.
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Re: Have you suddenly felt weak and sleepy while at the gym?

#6 Postby Marcina » Sat Jul 31, 2010 3:00 pm

That happened to me my first day back after being sick for a few weeks.

I was doing squats and push-presses like no tomorrow then I wanted to take a nap bahaha!
I knew it was because I was out of shape, and I felt better when I went home and refueled. Next session should go better. :)

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Re: Have you suddenly felt weak and sleepy while at the gym?

#7 Postby katz » Sat Jul 31, 2010 4:22 pm

Alejandro The Vegan wrote:I had a 10 month slump. I didn't work out much until this last thursday. I spent the weekend on the gym.. Mainly more Cardio, and calisthenics to start off. Yesterday when I got to the gym I started off good. I did some curls and some back exercises... and then suddenly when I got to the next machine I felt sleep and really weak. I tried to tough it out and just push my self but I was barely 20 mins and I went from a 10 in energy to about a 3.. Does this happen to any of you? Why do you guys think this happen?


When I read this my first thoughts were a dip in blood sugar levels...a dip in blood sugar will cause a sensation like you described.
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I have made it a habit to get back into the mindset that every workout is war. All-out, 100% do-it-or-die-trying war. If you want to get bigger and/or stronger, lifting won't be fun most days.


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