Chronic insomnia can cause problems in your life and can even lead to problems at work. Insomnia might make you so tired you can't do a good job at work. Also, people with insomnia have a higher risk of accidents. If you aren't sleeping well at night, it's easy to fall asleep while driving a car. Medical illness can cause chronic insomnia.
Steroids can also cause sleep problems.
Pain, anxiety and depression can also cause sleep problems. Caffeine, nicotine and alcohol can keep you awake. Chronic insomnia can also be caused by something as simple as bad sleep habits. Try avoiding coffee, tea or caffeinated sodas after noon. Have a regular bedtime and waking time, even on weekends and days you don't go to work.