While these actions may give the driver brief stimulation, this won't keep the person alert behind the wheel. The sleep deprived driver may nod off for seconds at a time without knowing it - long enough to kill himself or others. Many accidents which look like they involve drunk drivers are really caused by drowsy drivers. Medications and behavioral therapy can help people with narcolepsy lead normal lives. Worry is the primary cause of insomnia.
Insomnia really has many different causes, including physical problems, and, yes, stress.
Everyone loses an occasional night's sleep, but if you can't get to sleep or stay asleep for more than a month, it's time to seek help from your doctor. Restless Leg Syndrome can keep you awake at night. People seek relief by stretching or moving the legs, causing a lot of difficulty in getting and staying asleep. Medication and good sleep habits can help those who suffer from Restless Leg Syndrome. Your body has a natural ability to adjust to different sleep schedules such as working different shifts or traveling across different time zones.