Wakefulness refers to the state of being awake and is the behavioral manifestation of the metabolic state of catabolism. It is the daily recurring period in an organism's life during which consciousness, awareness and all behaviors necessary for survival, i. Consciousness has been defined loosely as a constellation of attributes of Mind such as Subjectivity, Self-awareness, Sentience, and the e. , success in (Communication, ambulation, nutritional ingestion and procreation), are conducted. Communication is the process of conveying information from a sender to a receiver with the use of a medium in which the communicated information is understood the same way Walking (also called ambulation) is the main form of Animal Locomotion on land, distinguished from Running and crawling Being awake is the opposite of being asleep a behavioral manifestation of the daily recurring metabolic state of anabolism. Sleep is a Natural state of bodily rest observed throughout the animal kingdom

Animals can eat and run, fly, swim or walk while awake; humans can also talk, listen, write, read, perform arithmetic, and productively think and work in the awake state. In general terms eating (formally ingestion) is the process of consuming Food to provide for the Nutritional needs of an Animal, particularly Walking (also called ambulation) is the main form of Animal Locomotion on land, distinguished from Running and crawling Human beings, humans or man (Origin 1590–1600 L homō man OL hemō the earthly one (see Humus Arithmetic or arithmetics (from the Greek word αριθμός = number is the oldest and most elementary branch of mathematics used by almost everyone Thought and thinking are mental forms and Processes respectively ("thought" is both

It is self-evident that the behaviors which take place while an organism is awake are necessary, complex and diverse. As sleep is biologically essential, an excess of time spent awake is considered sleep deprivation, and there are serious physiological and psychological consequences both for individual stretches of wakefulness and serial preference for wakeful activity rather than sleep. Sleep deprivation is a general lack of the necessary amount of Sleep.

See also

• Consciousness
• Dream argument
• Lucid dreaming
• Sleep
• Sleepwalking

External links

• Sleep, dreams and wakefulness
• Wakefulness, Alertness, Sleep, and Dreams
• The Consequences of Excessive Wakefulness
• It's Wake-Up Time