The origin of this character (very common in folktales and legends) is found in Saturn, who devoured his children as Cibeles brought them into the world. If the oneiric ogres frighten you, it means you are hurting those around you and, possibly, yourself. The figure of the ogre also denotes ignorance and weakness of character.
Gallery of dreams
In most kids, lack of sleep can surely result to ADHD (Attention Deficit Hyperactivity Disorder), which is the opposite with the adults. Children between 7 and 10 who gets less than 8-hours of sleep every night will likely to become inattentive, impulsive and hyperactive. Their sleeping patterns can easily affect their brain.
Quality of Life
Most of us know that sleep can greatly affect the quality of life. There are just a lot of things that can easily affect our sleep. Thus, if you sleep better, you can live better. An 8-hour sleep is the recommended time for people to always have every day.