Why do muscles tense up when you're tired?

Answer All day you are using your muscles to do things and then when you rest they sometimes get cramp from not moving anymore and the muscles are contracting.

Top Q&A For: Why do muscles tense up when you're tired

Always tired. why & should i work out when tired?

Perhaps you are suffering from overexertion.You seem to have a fatigue problem. Perhaps the energy vitamin B12 can help or a vitamin B complex. Coenzyme Q10 can also help to boost your energy level... Read More »

Can you get diabetes when youre 21?

Yes---b/c there are 2 types, Type 1 (the type that is genetic) and Type 2 (the kind ppl get from being overweight).So, if you are normal weight, you could have Type 1. If you are overweight, you m... Read More »

What do you do most when youre STRESS?

I take a nap or just listen to myself breathe listen to music or just watch tv I also like to read novels or maybe manga or a gossip magazine

Whats the best way to get sober when youre drunk?

The only thing that makes you sober is time.