Insomnia is one of the most frustrating health problems. Not only is it extremely common (about 31% of Americans suffer from it), but the cause is often hard to pin down.
That makes curing it difficult.
So people resort to sleeping pills, which don’t work well in the long term and have serious side effects.
A new study shows that insomnia may be caused by something almost of all of us have started doing in the last 20 years.