In fact, they'll often work to the point of exhaustion. (inc.com)
If you're not consuming enough calories to fuel your day, you may feel fatigued towards the point of exhaustion, and if your timing is off or your diet isn't healthful, you may have trouble falling asleep at night. (businessinsider.com)
Prioritize what you have to do when you are getting to the point of exhaustion. (entrepreneur.com)