8 horrible things that happen if you don't get enough sleep
Do have a preference or habit for staying up late......
- working
- studying
- studying
- watching TV shows and movies
- blogging
- surfing, facebooking, tweeting
- working night shift
- having trouble sleeping (insomnia )- working night shift
Everyone knows that it's important to get enough sleep — but you may not realize just how many things can go wrong when you don't.
The above habits normally cause you feel sleepy during the day, have problems getting to sleep at night and wake up feeling exhausted.
Here are 8 unfortunate risks of partial and total sleep deprivation!
1. Irritability:
Complaints of irritability and emotional volatility following sleepless nights are common. The study found that the negative emotional effect of disruptive events — things like being interrupted while in the middle of doing something — were amplified by sleep loss.
2. Headaches:
Scientists don't yet know exactly why sleep deprivation leads to headaches — but it's a connection doctors have noticed for more than a century. Migraines can be triggered by sleepless nights, and 36 to 58% of people with sleep apnea wake up with nondescript morning headaches.
3. Inability to learn:
Sleepiness has long been an issue among adolescents. One study of middle school students found that delaying school start times by one hour, from roughly 7:30 to 8:30, increases standardized test scores by at least 2 percentile points in math and 1 percentile point in reading.
But it's not just kids. Short-term memory is a crucial component of learning, and sleep deprivation significantly impaired the ability of adult volunteers to remember words they'd been shown the day before. In another study, researchers found that while people tend to improve on a task when they do it more than once, this isn't true if they are kept awake after they try it the first time — even if they sleep again before doing it again.
4. Weight gain:
People who are underslept seem to have hormone imbalances that are tied to increased appetite, more cravings for high-calorie foods, a greater response to indulgent treats, and a dampened ability to control their impulses — a very dangerous combination. It's true that you burn more calories when awake, but not nearly enough to cancel out the many excess calories you consume when exhausted.
5. Poor vision:
Sleep deprivation is associated with tunnel vision, double vision, and dimness. The longer you are awake, the more visual errors you'll encounter, and the more likely you are to experience outright hallucinations.
6. Heart disease:
When researchers kept people awake for 88 hours, their blood pressure went up — no big surprise there. But even subjects who were allowed to sleep for 4 hours a night had an elevated heart rate when compared to those getting 8 hours. Concentrations of C-reactive protein, a marker of heart disease risk, increased in those fully and partially deprived of sleep.
7. Slowness:
Your reaction time is severely impeded when you don't get enough sleep, a study has found.
8. Infection:
You know that great thing your immune system does, where when you get an open wound of some kind it doesn't always get infected immediately? Prolonged sleep deprivation and even one night of sleeplessness can impede your body's natural defenses against microorganisms.
- Business Insider
1. Irritability:
Complaints of irritability and emotional volatility following sleepless nights are common. The study found that the negative emotional effect of disruptive events — things like being interrupted while in the middle of doing something — were amplified by sleep loss.
2. Headaches:
Scientists don't yet know exactly why sleep deprivation leads to headaches — but it's a connection doctors have noticed for more than a century. Migraines can be triggered by sleepless nights, and 36 to 58% of people with sleep apnea wake up with nondescript morning headaches.
3. Inability to learn:
Sleepiness has long been an issue among adolescents. One study of middle school students found that delaying school start times by one hour, from roughly 7:30 to 8:30, increases standardized test scores by at least 2 percentile points in math and 1 percentile point in reading.
But it's not just kids. Short-term memory is a crucial component of learning, and sleep deprivation significantly impaired the ability of adult volunteers to remember words they'd been shown the day before. In another study, researchers found that while people tend to improve on a task when they do it more than once, this isn't true if they are kept awake after they try it the first time — even if they sleep again before doing it again.
4. Weight gain:
People who are underslept seem to have hormone imbalances that are tied to increased appetite, more cravings for high-calorie foods, a greater response to indulgent treats, and a dampened ability to control their impulses — a very dangerous combination. It's true that you burn more calories when awake, but not nearly enough to cancel out the many excess calories you consume when exhausted.
5. Poor vision:
Sleep deprivation is associated with tunnel vision, double vision, and dimness. The longer you are awake, the more visual errors you'll encounter, and the more likely you are to experience outright hallucinations.
6. Heart disease:
When researchers kept people awake for 88 hours, their blood pressure went up — no big surprise there. But even subjects who were allowed to sleep for 4 hours a night had an elevated heart rate when compared to those getting 8 hours. Concentrations of C-reactive protein, a marker of heart disease risk, increased in those fully and partially deprived of sleep.
7. Slowness:
Your reaction time is severely impeded when you don't get enough sleep, a study has found.
8. Infection:
You know that great thing your immune system does, where when you get an open wound of some kind it doesn't always get infected immediately? Prolonged sleep deprivation and even one night of sleeplessness can impede your body's natural defenses against microorganisms.
- Business Insider
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