Insomnia is defined as having difficulty falling asleep or staying asleep. People with insomnia often complain of the inability to pay attention during the day, loss of memory or concentration, irritability and anxiety. They find it hard to function normally at work, at home or even at school.
If you’ve suffered sleepless nights, you may be all too familiar with the symptoms. As many as 25 percent of Americans endure an occasional bad night of sleep, and approximately 10 percent have a chronic problem with insomnia. Each year 70 million Americans spend approximately $148 million on a variety of remedies to either put them to sleep at night or keep them awake during the day.