There are many people that have an undiagnosed insomnia. They may feel very sleepy during the day. They may have trouble falling to sleep or staying asleep. Friends or relatives may tell them they look very tired. They may experience mood changes, irritability or become overly emotional. Often they have difficulty paying attention, concentrating, or remembering things that are important. These are all symptoms of sleep deprivation, and possibly of a sleep disorder. ... http://www.squidoo.com/insomniainformationsymtoms Thu, 23 Feb 2012 14:54:56 -0600 FeedCreator 1.7.2 Tue, 07 Apr 2009 01:30:08 -0600 http://www.squidoo.com/insomniainformationsymtoms There are many people that have an undiagnosed insomnia. They may feel very sleepy during the day. They may have trouble falling to sleep or staying asleep. Friends or relatives may tell them they look very tired. They may experience mood changes, irritability or become overly emotional. Often they have difficulty paying attention, concentrating, or remembering things that are important. These are all symptoms of sleep deprivation, and possibly of a sleep disorder. So answer the following question to know more about insomnia information. Tue, 07 Apr 2009 01:30:08 -0600