What are the stages of sleep and their physiological effects?
Welcome to Answerclub.org
Questions | Answers | Discussions | Knowledge sharing | Communities & more.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Questions | Answers | Discussions | Knowledge sharing | Communities & more.
– Sleep stages are categorized into non-rapid eye movement (NREM) and rapid eye movement (REM) sleep:
– **NREM sleep:** Consists of stages 1 to 4, characterized by decreasing muscle activity and slow brain waves; stages 3 and 4 are deep sleep stages.
– **REM sleep:** Rapid eye movements, increased brain activity, and dreaming; muscles are temporarily paralyzed, except for eye movements and breathing