Oh, sure, there are the obvious things. Running a marathon. Shoveling snow. Doing spring cleaning or an afternoon of yard work.
But how many of us run marathons every day, or do regular chores with enough intensity to point to them as the culprit every single day?
On the other hand, many of us engage in small habits on a daily basis that contribute to our tiredness.
If you're tired of being tired, check out this article from Next Avenue. Maybe a higher level of energy is closer than you think.
Meanwhile, get some sleep.