<p>A lotttt could be going on.</p>
<p>First, are your sleeping hours regular? Ex. do you go to bed at 11pm every night and wake up 7? Etc. Irregular sleep can and will cause you to sleep less restfully. I also read something once about a special window you need to fall asleep in…ex. going to bed past a certain time (2am or something) will cause you to sleep less restfully. Idk if that’s too accurate tho.</p>
<p>Second, how is your diet? A diet of pizza for breakfast, lunch, and dinner is going to most certainly cause you to fall asleep at your desk. Make sure you are getting good nutrition. Also, caffeine & alcohol are foods to avoid.</p>
<p>What about exercise? Although exercising “makes you tired” in the short term, a schedule of working out will increase your energy over time.</p>
<p>Third, are you making sure you are not using your computer before bed, or otherwise engaging in “high stress” activities before sleep or sleeping in a high stress environment? Make sure you are giving yourself some “wind down” time before bed, and make sure your sleeping environment is quiet (lights off) and stress free (this may involve cleaning up your room or putting on some white noise to drown out your screaming roommates haha).</p>
<p>Finally, you could be suffering from sleep apnea, thyroid disease, anemia, depression or any number of more serious medical problems that could interrupt your sleep and/or cause you to lack energy. If changes to your lifestyle listed above don’t work, you may need to see a doctor to resolve the problem. Of course, most people go to the doctor first, see that nothing disease-related is wrong, and then still struggle with the problem because they do not have the motivation to make the positive changes in their life that are necessary…</p>
<p>Some people can eat pizza for every meal, exercise once a month, and go on binge drinking rampages, sleep 2 hrs a night, yet still manage to seem to be a ball of energy. Others are more delicate. Sucks for you but hopefully you can work with it ;).</p>