Discover 5 unique ways to earn money while you sleep, from participating in sleep studies to becoming a professional napper.

 Mattress testing offers both comfort and compensation, allowing you to find the perfect bed while making money.

Writing about sleep can be a profitable venture, sharing knowledge and earning through your passion for words.

 Explore the world of sleep app development, combining tech skills with sleep science to create a valuable tool.

Real-life experiences showcase the genuine potential of these opportunities, turning restful hours into income.