Sleep is an essential biological function that plays a vital role in health and overall well-being. It consists of several cycles and phases, each with specific characteristics and functions that contribute to physical and mental recovery. Understanding these cycles can help improve sleep quality and, consequently, life quality. Let’s explore the sleep phases and the importance of each:
1. Sleep Structure:
Sleep is divided into two main states: REM (Rapid Eye Movement) and non-REM. Each sleep cycle lasts about 90 minutes and is repeated several times throughout the night, comprising...
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The Japanese are said to be the world's least sleepy people. Data from the Organization for Economic Cooperation and Development (OECD) reported in 2018...
