Changes

* Not feeling refreshed after a night's sleep  

* Not feeling refreshed after a night's sleep  

In all of these instances the person experiences daytime fatigue and feels as if he or she did not have enough sleep. Poor sleep for any length of time can lead to [[mood]] disturbances, lack of [[motivation]], decreased [[attention span]], trouble with [[concentration]], low levels of [[energy]], and increased [[fatigue]]. Approximately three-fifths of the average person's life is spent sleeping. Healthy sleep is vital to the human body and important for the optimal functioning of the brain, immune system, and other organs.

In all of these instances the person experiences daytime fatigue and feels as if he or she did not have enough sleep. Poor sleep for any length of time can lead to mood disturbances, lack of [[motivation]], decreased [[attention span]], trouble with [[concentration]], low levels of [[energy]], and increased [[fatigue]]. Approximately three-fifths of the average person's life is spent sleeping. Healthy sleep is vital to the human body and important for the optimal functioning of the brain, immune system, and other organs.

==Types of Insomnia==

==Types of Insomnia==