As a mom of twins with a total of four kids, Melissa Perry Moraja knows firsthand that having twins is more tiring than having a singleton. Moraja, a North Carolina-based children’s author and illustrator, found that she slept more and ate more when pregnant with multiples. The weight gain was taxing as well, she says. “I was a 125-pound person who couldn’t even fit into my husband’s extra large clothes […]