"Crazy times" at work are to be expected — busy periods when you're expected to work after hours to stay on top of things are par for the course in a demanding, fast-paced career. But if you're sending emails well into the night at all times of the year, that might actually be a problem. "You’re never taking that opportunity to rejuvenate...that will give you a fresh perspective at work," Maura Thomas, founder of RegainYourTime.com and writer for the Harvard Business Review, tells Money Talking. "If you don't take time to recharge...you’re running on empty all the time." But Thomas explains, there are ways to reclaim your off-time.