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Human Anatomy and Physiology

Sleep and Circadian Rhythm

Sleep is an innate human need, which typically occurs for several hours at one time or more than one time during a circadian rhythm. Sleep varies from a few hours to over 8 hours, with babies and children requiring the most sleep. During sleep, the eyes close, muscles relax, nervous system reduces, and the body enters a different consciousness. Many health conditions and environmental factors can interrupt both sleep and awakening.

Margaret Ruecker asked in Sleep and Circadian Rhythm, Health

Why does oversleeping make me feel tired?

Assuming oversleeping isn't a chronic issue, the fatigue you experience after sleeping in likely has to do with the disruption of your sleep cycle. Internal and external factors work to set your sleep cycle (or circadian rhythm), and when you break that rhythm, you're left feeling tired and out of whack. You should also consider your recent sleep history—if you're in "sleep debt," a one-night sleep explosion to get you square with the sleep bank...
Asked in Sleep and Circadian Rhythm

Why do some people never get tired?

The amount of sleep needed varies depending on the person. But if the person in question really never gets tired, they should consult a doctor. ...
Alberta Schmitt asked in Sleep and Circadian Rhythm, Brain, Idioms, Cliches, and Slang

Does "sleeping on it" improve decision making?

Although the science isn't completely conclusive, recent research suggests that sleep can, in fact, improve problem solving. A 2018 study from the University of Bristol looked at a group's performance on mental tasks before and after taking a 90 minute nap. When compared with a group that stayed awake for the same amount of time, the nappers did markedly better on their repeated task, which indicated to the researchers that the brain did process some of...
Asked in Sleep and Circadian Rhythm

How can you get to sleep?

There are many techniques to help you sleep. You need to learn to relax, and practicing the art of meditation can help this. There are some herbal remedies to help you, including Chamomile and Valerian. You must deal with the reason that you are having trouble sleeping, it may be too much stress or a troubled conscience. Not enough sleep can make you very sick and weaken your immune system. You must address the problem at hand. Try to keep a...
Asked in Sleep and Circadian Rhythm

What does circadian rhythm mean?

"Circadian" derived from the word "circle," and refers to your body's rhythm of waking and sleeping in synchronization with the sun rising and setting. A cycle or rhythm that is roughly 24 hours long; they cyclical daily functions in biological and psychological processes. Like mental alertness and sleep-wake cycle. It is the bodies life cycle. A daily cycle that the body is used to doing, such as getting up at a certain time, eating at a certain time, sleeping at a certain time...
Asked in Sleep and Circadian Rhythm

A circadian rhythm is a cycle that?

That controls sleep and wakefulness. It is the body's natural clock. It is a biological rhythm or cycle of approximately 24 hours. ...
Asked in Health, Sleep Disorders, Sleep and Circadian Rhythm

How much REM sleep do you get a night?

REM sleep usually occurs in cycles during the last 5-6 hours of an 8-hour night's sleep. So how much sleep we get in this stage will depend on how much sleep we get for the night. During REM sleep, eye movements increase, heart rate increases, and the normal body processes also increase. It's during this stage that dreams occur, and it's also this stage that we're most likely to wake up in the morning (feeling refreshed). These REM periods last approximately 20...
Asked in Sleep and Circadian Rhythm

What is a circadian rhythm?

It is the bodies life cycle. A daily cycle that the body is used to doing, such as getting up at a certain time, eating at a certain time, sleeping at a certain time and so on. if you are working at times when the circadian rythem sais you should be asleep (like when working shifts) it could negativly affect your reaction time ...
Asked in Slugs and Snails, Sleep and Circadian Rhythm

Do slugs sleep?

maybe in they day its just a guess ,they do seem to eat at night mostely.
Asked in Health, Sleep and Circadian Rhythm

How do you stay awake very late at night?

If you're a kid or teen, you don't need to be staying awake very late - kids and teenagers need 10 hours of sleep every night for their body and brain to work at peak efficiency. ...
Asked in Sleep and Circadian Rhythm

Why do people sleep?

Many of the reasons for sleep are still a mystery. One of the vital roles of sleep is to help us solidify and consolidate memories. Also, our bodies require long periods of sleep in order to restore and rejuvenate, to grow muscle, repair tissue, and synthesize hormones. We sleep because our brain needs to release stress and process memories. Also sleep slows down our heart rate and gives the body a chance to rest. Without sleep a human can have psychological problems. ...
Asked in Health, Sleep and Circadian Rhythm

How long does the average male sleep?

The daily recommended sleep required for a adult male is 8 hours a night. In Western society, with things such as lifestyle and job commitments, the average adult male sleeps roughly 6 to 7 hours a night. In poorer nations where there are less rules and regulations facing employees and working hours, the average adult male can sleep as little as 2 to 3 hours a night in order to meet his required monthly income. ...
Asked in Public Health and Safety, Sleep and Circadian Rhythm

Why do we need sleep?

To give our bodies the rest it needs in order to function properly at it's full potential Because when the day finish we need rest for our body. We are awake for 24 hours which is a long time and we get tired and we need sleep. Sleep is a natural state of body consciousness, many people debate it's purpose but it is quite clear if you look at this. Body: When you sleep your body runs a check, twitching, rolling, muttering. This...
Asked in Child Health, Sleep and Circadian Rhythm

What time do students in grade 8 go to bed?

(The data here is from a grade 8 class of 28 students) The students have chosen a time from the options below for their average bedtime: 8:00- zero(0) 8:30-zero(0) 9:00-one(1) 9:30-one(1) 10:00-ten(10) 10:30-five(5) 11:00-seven(7) 11:30-two(2) 12:00-two(2) 12:30-zero(0) 1:00-zero(0) other- ...
Asked in Tea, Sleep and Circadian Rhythm

Can tea make you sleepy?

For most people no, but some people have some "reverse" reaction to the caffeine (I have one friend that does). Also some herbal teas that contain no caffeine do contain components that can induce sleepiness. ...
Asked in Health, Sleep and Circadian Rhythm

How long can a human sleep?

It depends on the human's age and physical condition. Infants can sleep 15-16 hours per had. young children may require as much as 12 or eve twelve hours. Adolescents generally like to get8-10 hours, and they high school siblings in high school and college may require 8-10 hours of sleep. Adults require 7-11 hours, although some adults in their prime years can get along with many fewer hours of sleep. ...
Asked in Sleep and Circadian Rhythm

Could you sleep for 2 days straight?

you can get 1.over emotional 2.dizzy 3.slurred speetch 4.go to sleep for short periods of time. 5.over weight 6.really sick 7.trouble seeing,hearing,or remembering things ...
Asked in Sleep and Circadian Rhythm

How many hours of sleep do you get if you sleep at 6pm-6am?

ah, 12. try looking at a clock and countng it.
Asked in Sleep and Circadian Rhythm

What are the Obstacles in sleeping?

Snoring room mate. Fire trucks. Annoying people upstairs playing trumpet. Also, if you have trouble sleeping or if your moving too much, you can't fall asleep....
Asked in Health, Insomnia, Bed Wetting, Sleep and Circadian Rhythm

What are the stages of sleep?

Stage 1 is light sleep where you drift in and out of sleep and can be awakened easily. In this stage, the eyes move slowly and muscle activity slows. During this stage, many people experience sudden muscle contractions preceded by a sensation of falling. In stage 2, eye movement stops and brain waves become slower with only an occasional burst of rapid brain waves. When a person enters stage 3, extremely slow brain waves called delta waves are interspersed with smaller, faster waves....