Insomnia can be lucrative, reports the California newspaper The Union Democrat.

In 2015, the global market for sleep aids, which encompasses everything from therapeutic pillows to sleeping pills, was valued at $62 billion, according to P&S Market Research. The consulting firm expects the market to grow by an average of 6.3 percent a year through 2022. That’s largely because the world’s population is aging, and older people are more susceptible to sleep disorders.

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