Insomnia is one of the most common sleep disorders seen today and is characterized by restlessness, frequent sleep interruptions, shorter than normal sleeping time and sometimes by complete wakefulness.

Apart from being extremely annoying, insomnia can cause sufferers to lose their energy and enthusiasm, develop memory and concentration problems and to feel lethargic and frustrated. This in turn can lead to a drop in work productivity and also to accidents which can have serious consequences.

There are a host of different things that can cause insomnia but here is a look at just 6 which are commonly linked to this sleep disorder: Read the rest of this entry