Yes, insomnia is really bad for the health. Insomnia of short duration of 2 to 4 days will not cause serious health problems but is likely to increase the risk of accidents on road and workplace due to poor reaction time. It will also cause poor emotional stabiltity, which may result in more disputes and fights with known or unknown persons.
It is chronic insomnia (lasting more than a month) which is more likely to affect our health and the health of our relationships. A person with chronic insomnia will have real difficulty to maintain marital and other relationships.
The chronic insomniacs have decreased libido which will adversely affect their sex life.
Since chronic insomnia produces lot of stress, it is likely to increase the risk of alcohol and drug abuse.
It will trigger the onset of depression or a major psychiatric illness in persons who are susceptible to them.
It will weaken the immune system so that a chronic insominac will become more prone to various infections.
Chronic insomnia is known to raise the risks of causing obesity, type-2 diabetes, cardiovascular diseases and host of other stress-related diseases since it produces immense stress.
Chronic insomnia requires special management by an expert.