But even if you’re a headache veteran who's able to tough out even the most debilitating episodes, there are a few critical ...
Sleepiness refers to a lack of alertness, meaning you could fall asleep quickly ... while those dealing with fatigue could be dealing with a sleep disorder or an underlying medical issue.
More than half of all space and aviation accidents are believed to be caused by fatigue, meaning that accurately assessing how tired someone is could be lifesaving. Lead author Dr Morgan Stosic ...