Sleeplessness (Insomnia) is a sleep disorder in which a person has difficulty in falling asleep or experiences poor sleep. It can involve any or all of the following:
you are trying to sleep but you just can't get any sleep. You may try counting sheep, reading a book, tossing about in bed or just anything but nothing seems to put you to sleep.
you experience frequent breaks in the sleep at night due to any reason and then face difficulty in going back to sleep again.
Waking up too early in the morning and then not being able to get back to sleep again.
Unrefreshed feeling on waking up from sleep; feeling as if one has not slept at all at night.
Transient insomnia may last from 1 night to a few nights. It is usually mild and does not severely hamper a person's ability to function during the daytime. It passes off after a few days and the person functions normally.
This type of insomnia may last for anywhere between a few nights to a month. This usually affects the daytime functions of a person though it may not be very severe. Usually some kind of irritability and tiredness may occur due to short term insomnia.
This is the most debilitating amongst all the types of insomnia. It lasts for more than a month and may extend upto many months or even longer. It severely affects the mental capacities of an individual, his concentration, mood, task handling, etc.
These may vary from person to person and include some or all of the following in varying intensities:
In the long run, sleeplessness can also be the trigger for many gastro-intestinal disorders such as Irritable Bowel Syndrome, frequent heartburn, frequent indigestion, etc. Long term insomnia can also increase the risk for developing Hypertension and Diabetes (Type II).
Some of the common causes of sleeplessness are as follows:
There are a large number of drugs that can causes sleeplessness. Few of them have been mentioned below. Please note however that this list is not exhaustive: