Ciccarelli: Psychology_5 (5th Edition)
Ciccarelli: Psychology_5 (5th Edition)
5th Edition
ISBN: 9780134477961
Author: Saundra K. Ciccarelli, J. Noland White
Publisher: PEARSON
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Chapter 4.6, Problem 4PQ
Summary Introduction

Introduction:

Various psychologists gave their theories to explain, why a person needs to sleep. Their theories suggest that sleep is essential to lead a healthy life. Sleep is a state of brain and body when the consciousness of the brain is practically hanged. The duration of sleep typically lasts few hours and during the sleepy state, the eyes remain closed. In the state of sleep, the nervous system becomes slightly inactive and all the body muscles and bones undergo a relaxed position.

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