الخميس، 20 فبراير 2014

موضوع تعبير بالانجليزية عن النوم

موضوع انشائي قصير باللغة الانجليزية عن النوم
English topics and essays


Sleep is a state of rest, which happens in animals, including humans. Animals that sleep are in an unconscious state, or mostly so. Most of the muscles that animals can control on purpose are inactive. Animals that are asleep do not react to stimuli as fast as those that are awake. They can wake up from sleep more easily than from hibernation or coma. All mammals and birds, and many reptiles, amphibians, and fish, sleep. In humans, other mammals, and most other animals that were studied, sleeping regularly is essential for survival.

The purpose of sleep is not fully known, and it is still studied today. We do know for sure, though, that sleep is necessary to most animals for survival. Not having enough sleep can even be used for torture.

A person sleeps when he or she is not awake. Usually, this is during the night. During the day, most people are awake. They work, go to school or university, or do other things. Many people sleep for a short time in the early afternoon for a quick rest. This is called a nap.

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