Why Do We Feel Tired Physically/Mentally?!


Question: Why Do We Feel Tired Physically/Mentally!?
Why do we feel tired physically/mentally!. Basically, why is it that there feels like a sort of "strain" or something that our bodies put on us to let us know that its tired!. I get that organs, etc, wear down as we stay up longer, so they need sleep, but what actually makes us feel tired to want to go to sleep in the end!?

Thanks,

Tyler

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Answers:
As for WHAT makes us feel tired this is going to take some chemistry!. An important neurotransmitter in your brain is Seratonin!. Its has a lot of responsibilities ranging from hunger, wakefullness, happiness, and sexual arousal!. Throughout the course of the day, Seratonin is broken down into a chemical called Melatonin!. Melatonin is an inhibitory neurotransmitter which shuts down the activity of neurons and thus gives us the feeling of being tired!.

The reason why its a "strain" is because over evolution thats the only way that worked to actually get us to go to sleep!. It makes us listen to what our brain is telling us!. Much like lactic acid causes pain when working out--it tells us to stop so our muscles can replenish oxygen!.Www@Answer-Health@Com

i believe one reason is that many of us are deprived of sleep these days!. there for our bodies run out of the energy that is needed to keep us awake though out the day!. even if you are drinking caffeine and eating sugar after a full day and going to sleep late you will feel so tired and drained of everything and most people tend to stay up to late and get up to early!. getting only 5-6 hours of sleep and that is causing them to be overly tired!. you should get 8 hours of sleep a night!. that may help you!. Www@Answer-Health@Com

well!.!. if you're tired mentally, you're sleepy!.
if you're tired physically, then you're just tired and need to lie down, but you dont have to sleep!.!. i dont understand the question!. :P
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Your brain also needs a break from all of the external stimulation!. It sends signals to your body that forces you to give it what it needs!. That's just my guess!. DYN researchers are working on a pill that gives you 8hrs of sleep in about 2hrs!.Www@Answer-Health@Com





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