On a long flight, catching some solid zzz's can be difficult. There's constant noise, distractions, and lights, and honestly, a cramped coach seat does not make the most comfortable temporary bed. But to ensure you arrive at your destination fresh and rested, there are steps you can take to help you drift into dreamworld and actually get restful sleep. Through ample personal experience (I've flown from NYC to Southeast Asia several times in coach — I'm practically a pro at 15-hour flights) and a little help from travel and health experts, we're bringing you a foolproof plan for operation REM cycle on your next international trip.