Learn the secret of how to sleep better. Around 10% of people in the U.S has had insomnia that occur every day for at least 2 weeks. Insomnia also holds heavy financial costs. As per the America Insomnia Survey, the projected yearly cost of lost work performance at an individual level was $2,280. When generalized to the overall national workforce, this represented a population-level estimate of $63.2 billion.