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+--- Thread: How long have you guys "survived" without sleep? (/thread-10215.html)
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How long have you guys "survived" without sleep? - Spartacus - Apr 03 2013
Why Is Sleep Important?
Sleep plays a vital role in good health and well-being throughout your life. Getting enough quality sleep at the right times can help protect your mental health, physical health, quality of life, and safety.
The way you feel while you're awake depends in part on what happens while you're sleeping. During sleep, your body is working to support healthy brain function and maintain your physical health. In children and teens, sleep also helps support growth and development.
The damage from sleep deficiency can occur in an instant (such as a car crash), or it can harm you over time. For example, ongoing sleep deficiency can raise your risk for some chronic health problems. It also can affect how well you think, react, work, learn, and get along with others.
Healthy Brain Function and Emotional Well-Being
Sleep helps your brain work properly. While you're sleeping, your brain is preparing for the next day. It's forming new pathways to help you learn and remember information.
Studies show that a good night's sleep improves learning. Whether you're learning math, how to play the piano, how to perfect your golf swing, or how to drive a car, sleep helps enhance your learning and problem-solving skills. Sleep also helps you pay attention, make decisions, and be creative.
Studies also show that sleep deficiency alters activity in some parts of the brain. If you're sleep deficient, you may have trouble making decisions, solving problems, controlling your emotions and behavior, and coping with change. Sleep deficiency also has been linked to depression, suicide, and risk-taking behavior.
Children and teens who are sleep deficient may have problems getting along with others. They may feel angry and impulsive, have mood swings, feel sad or depressed, or lack motivation. They also may have problems paying attention, and they may get lower grades and feel stressed.
Physical Health
Sleep plays an important role in your physical health. For example, sleep is involved in healing and repair of your heart and blood vessels. Ongoing sleep deficiency is linked to an increased risk of heart disease, kidney disease, high blood pressure, diabetes, and stroke.
Sleep deficiency also increases the risk of obesity. For example, one study of teenagers showed that with each hour of sleep lost, the odds of becoming obese went up. Sleep deficiency increases the risk of obesity in other age groups as well.
Sleep helps maintain a healthy balance of the hormones that make you feel hungry (ghrelin) or full (leptin). When you don't get enough sleep, your level of ghrelin goes up and your level of leptin goes down. This makes you feel hungrier than when you're well-rested.
Sleep also affects how your body reacts to insulin, the hormone that controls your blood glucose (sugar) level. Sleep deficiency results in a higher than normal blood sugar level, which may increase your risk for diabetes.
Sleep also supports healthy growth and development. Deep sleep triggers the body to release the hormone that promotes normal growth in children and teens. This hormone also boosts muscle mass and helps repair cells and tissues in children, teens, and adults. Sleep also plays a role in puberty and fertility.
Your immune system relies on sleep to stay healthy. This system defends your body against foreign or harmful substances. Ongoing sleep deficiency can change the way in which your immune system responds. For example, if you're sleep deficient, you may have trouble fighting common infections.
Daytime Performance and Safety
Getting enough quality sleep at the right times helps you function well throughout the day. People who are sleep deficient are less productive at work and school. They take longer to finish tasks, have a slower reaction time, and make more mistakes.
After several nights of losing sleep—even a loss of just 1–2 hours per night—your ability to function suffers as if you haven't slept at all for a day or two.
Lack of sleep also may lead to microsleep. Microsleep refers to brief moments of sleep that occur when you're normally awake.
You can't control microsleep, and you might not be aware of it. For example, have you ever driven somewhere and then not remembered part of the trip? If so, you may have experienced microsleep.
Even if you're not driving, microsleep can affect how you function. If you're listening to a lecture, for example, you might miss some of the information or feel like you don't understand the point. In reality, though, you may have slept through part of the lecture and not been aware of it.
Some people aren't aware of the risks of sleep deficiency. In fact, they may not even realize that they're sleep deficient. Even with limited or poor-quality sleep, they may still think that they can function well.
For example, drowsy drivers may feel capable of driving. Yet, studies show that sleep deficiency harms your driving ability as much as, or more than, being drunk. It's estimated that driver sleepiness is a factor in about 100,000 car accidents each year, resulting in about 1,500 deaths.
Drivers aren't the only ones affected by sleep deficiency. It can affect people in all lines of work, including health care workers, pilots, students, lawyers, mechanics, and assembly line workers.
As a result, sleep deficiency is not only harmful on a personal level, but it also can cause large-scale damage. For example, sleep deficiency has played a role in human errors linked to tragic accidents, such as nuclear reactor meltdowns, grounding of large ships, and aviation accidents.
Double post
I bolded the interesting parts.
http://www.nhlbi.nih.gov/health/health-topics/topics/sdd/why.html
I once went without sleep for 2 to 3 days. Felt batshit crazy. Kept on questioning reality.
RE: How long have you guys "survived" without sleep? - joker8baller - Apr 03 2013
I've gone about 85~ish hours, was pretty loopy.
RE: How long have you guys "survived" without sleep? - cucubelu - Apr 03 2013
36 hours here, no sleep or food. Went camping in the woods and went hunting... didn't catch shit... bad day for fishing and gunning deer. Ended up not eating one thing. Last time I go without having a backup protein bar ready hahaha
RE: How long have you guys "survived" without sleep? - ALING KURING SARI SARI STORE - Apr 03 2013
around 36hours of work without sleep.Felt like a zombie at that time. Hm what is the ideal sleep adequacy per day?
RE: How long have you guys "survived" without sleep? - cucubelu - Apr 03 2013
ALING KURING SARI SARI STORE, post: 88878, member: 1732 Wrote:around 36hours of work without sleep.Felt like a zombie at that time. Hm what is the ideal sleep adequacy per day?6-8 hours is what the body needs to reproduce the amount of growth hormones in you body for you to be "as healthy as possible" of course this varies from person to person.
RE: How long have you guys "survived" without sleep? - evil smile - Apr 03 2013
I once went 42 hours without sleep while travelling, and didn't eat much either. I kept getting more tired and less sleepy. It was a pretty fucked up experience.
RE: How long have you guys "survived" without sleep? - JumbOlaya - Apr 03 2013
A little over 45 hours. Drove straight from Seattle to NYC with a friend. Only stopped for gas and food. Was around the 9/11 time when planes were a no-no
RE: How long have you guys "survived" without sleep? - Spartacus - Apr 03 2013
After going about 3 days without sleep, walking to the mall barefoot seemed like a good idea to me.
I wanted to know how Gandhi felt.
RE: How long have you guys "survived" without sleep? - Moriarty - Apr 03 2013
A few weeks ago went about 36 hour when I was flying alot, I cant sleep while flying. Most time without sleep was probably around 50 hours.
RE: How long have you guys "survived" without sleep? - Gonffs - Apr 03 2013
About 40 hours due to random all night events being right together o.O