When the daily grind is getting you down, you could take a vacation…or a whole year off. That’s what many young adults, faced with career stress, work burnout and a tough economy, are doing. In a trend that’s being called the grown-up gap year, 20- and 30-somethings are putting their lives on hold to travel or live abroad. Some choose to take their gap year after being laid off or leaving a job, while others are able to negotiate a sabbatical, allowing them to return to their old gig after the trip. Still others find work overseas or work remotely. And while taking a year-long vacation may seem risky when it comes to future employment prospects, experts say travelers can spin their experiences as part of developing their professional skills (in addition to the tan).