Sleep disorders put some workers out of sync with traditional schedules and are estimated to cost employers $2,000 per employee in lost productivity every year, reports The Atlantic.

No matter how early she went to bed, Maggie couldn’t fall asleep until the early hours of the morning. Though constantly exhausted, Maggie (she asked that I not use her last name) got good grades in high school, but she’d frequently get in trouble for coming in late and napping during her morning classes.

Maggie dreamt of going to medical school. Unfortunately, she couldn’t concentrate during early morning science classes in college, and she had to switch her major from biology to literature. Her post-grad situation was no better: Waking up for her 8:30 a.m. teaching position turned her into a zombie, and she lost her job because she lacked enthusiasm. She switched career paths to take on a marketing position that was supposed to be afternoon-only, but once her boss started requiring her to come in mornings, it didn’t work out—and she’s now unemployed.