Young workers say working 4 days a week would actually make them better employees

• Young people think a four-day workweek would make them more productive.
• More businesses are backing the idea and testing it out with "fantastic" results.
• The practice is gaining momentum with companies all over the globe.

Young professionals said they don't need 40 hours a week to get their work done.

CNBC/Generation Lab surveyed 1,033 people between the ages of 18 and 34, and the results were overwhelmingly in favor of a four-day workweek.