Eating a late-night snack feels like a small, throw-away decision, but a new survey suggests it can actually make or break your sleep .

Eachnight surveyed 1,000 U.S. adults on their nighttime eating habits and cross-referenced the results with sleep quality, burnout levels, and income. About one in five Americans eats after 10 p.m. regularly, and that group is sleeping worse, burning out faster, and—perhaps most attention-grabbing—earning significantly less money than people who wrap up eating earlier in the evening.

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People who eat after 10 p.m. take about 29 minutes to fall asleep. People who stop eating before 7 p.m. take 20. Nine minutes doesn’t sound like much until you do the math—that’s 50 percent longer lying in the dark waiting for nothing to happen. And the night doesn’t get better from there.…