Archive for the ‘health’ Category

Napping: good or bad?

Saturday
Feb 9,2008

Puppies
Photo by Back in the Pack

So Sgt. Pepper took you by surprise
You better see right through that mother’s eyes
Those freaks was right when they said you was dead
The one mistake you made was in your head
Ah, how do you sleep?
Ah, how do you sleep at night?

~John Lennon~

The benefits of napping have been argued for years, by the world’s finest sleep statisticians and researchers, with mixed opinions. Some argue napping is bad for you, as it causes instability to your internal clock and sleep disorders, while other believe naps to be very healthy and quite recommend it. General thought is that for every two hours you are awake you accumulate one hour of “sleep debt”. (16 awake and 8 asleep fits nicely into a 24 hour day, eh what?) If you don’t pay off your debt during your nightly sleep, it carries over until you do get it paid off. Your nap probably serves to push back how early you can fall asleep at night.

Lately a new term has been coined by specialists, called “power napping,” that consists in napping a full hour, during which your energy levels should be at a maximum. So in layman’s terms, grabbing an hour’s sleep during the day may be as beneficial as a whole night in bed, according to scientists. Of course some sleep during the night is needed, don’t think  it’s possible for a man, who hasn’t slept for over 24 hours, to recuperate a night time of sleep in the course of one hour. Even the brains agree, as experts say that a full night’s sleep is still necessary for many vital body functions, even though a short sleep may boost learning and memory.

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Wednesday
Feb 6,2008

One of Murphy’s laws says that anything good in life is either illegal, immoral, or fattening. Doing what you enjoy most is often not so good for your health, physically or spiritually, so here are some simple rules to improve your life. I think that you have already realized that it’s not so simple to change your habits. After each disappointment you keep saying - I gonna change and that won’t happen again, but after a while your determination isn’t so strong.
Maybe it will sound like a cliché, but you have to change your life by doing very small steps. I’ll talk now about eating habits and I promise to continue this series about healthy habits.
Be very careful at what you’re eating. Sure that fast food is cheap and tasty, but you have to take into consideration its effects on your health. To continue with this idea, pay attention to sweets too. Drinking alcohol is fun, but be sure you know your limits and don’t make any abuses.
When thinking at meals, keep in mind that breakfast is the most important meal of the day. You need energy for all your plans so have some cereals, milk and maybe some fruit. If you’re hungry between meals, you can have another fruit or some biscuits. Try not to eat so much in the evening - you’ll sleep better.
Then, it’s very important to have your meals at certain hours and to make a rule out of this. By doing that, you can organize your time better and follow a schedule that keeps you healthy.
In order to reduce drastically your visits to the hospital, consume every day 5-10 fruits or vegetables. Also don’t forget the milk and cereals, potatoes or bread for fibers and the meat for proteins. Once or twice a week have fish to keep your brain active.

Eating healthy

Now you know the basic rules for a good nutrition, but how can you start applying them? At first, try to arrange proper hours for meals - take into consideration what tasks you have to do during the day and of course, the hours when you’re hungry. Than think - what you like to eat and what you don’t. Could you replace some dishes with other ones which are healthier? Sure you can! If you want something sweet, you can have a peach or a banana. That doesn’t mean that you have to forget about chocolate, just consume it less often.
Don’t over react. The most important thing is to find your balance. Don’t impose it to yourself, just find it. You know you have it, it’s there, inside you.

 
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Sunday
Jan 20,2008

sleep

Sleeping is in fact somewhat of a mistery to us because we don’t quite fully understand the complex mechanisms which happen to us when we are sleeping. Sure we know most of them or at least we think we know most of them yet some still are a mistery to us. Here is a list of things which you may find more or less useful but the facts are pretty interesting.

  • The record for the longest period without sleep is 18 days, 21 hours, 40 minutes during a rocking chair marathon. The record holder reported hallucinations, paranoia, blurred vision, slurred speech and memory and concentration lapses.
  • - Anything less than five minutes to fall asleep at night means you’re sleep deprived. The ideal is between 10 and 15 minutes, meaning you’re still tired enough to sleep deeply, but not so exhausted you feel sleepy by day.
  • A new baby typically results in 400-750 hours lost sleep for parents in the first year.
  • The continuous brain recordings that led to the discovery of REM (rapid eye-movement) sleep were not done until 1953, partly because the scientists involved were concerned about wasting paper.
  • REM dreams are characterised by bizarre plots, but non-REM dreams are repetitive and thought-like, with little imagery - obsessively returning to a suspicion you left your mobile phone somewhere, for example.
  • No-one knows for sure if other species dream but some do have sleep cycles similar to humans.
  • Elephants sleep standing up during non-REM sleep, but lie down for REM sleep.
  • Some scientists believe we dream to fix experiences in long-term memory, that is, we dream about things worth remembering. Others reckon we dream about things worth forgetting - to eliminate overlapping memories that would otherwise clog up our brains.
  • Dreams may not serve any purpose at all but be merely a meaningless byproduct of two evolutionary adaptations - sleep and consciousness.
  • REM sleep may help developing brains mature. Premature babies have 75 per cent REM sleep, 10 per cent more than full-term bubs. Similarly, a newborn kitten puppy rat or hampster experiences only REM sleep, while a newborn guinea pig (which is much more developed at birth) has almost no REM sleep at all.
  • Scientists have not been able to explain a 1998 study showing a bright light shone on the backs of human knees can reset the brain’s sleep-wake clock.
  • Seventeen hours of sustained wakefulness leads to a decrease in performance equivalent to a blood alcohol-level of 0.05%.
  • The NRMA estimates fatigue is involved in one in 6 fatal road accidents.
  • The “natural alarm clock” which enables some people to wake up more or less when they want to is caused by a burst of the stress hormone adrenocorticotropin. Researchers say this reflects an unconscious anticipation of the stress of waking up.
  • Some sleeping tablets, such as barbiturates suppress REM sleep, which can be harmful over a long period.
  • A night on the grog will help you get to sleep but it will be a light slumber and you won’t dream much.
  • Ten per cent of snorers have sleep apnoea, a disorder which causes sufferers to stop breathing up to 300 times a night and significantly increases the risk of suffering a heart attack or stroke.
  • Snoring occurs only in non-REM sleep
  • Teenagers need as much sleep as small children (about 10 hrs) while those over 65 need the least of all (about six hours). For the average adult aged 25-55, eight hours is considered optimal
  • Experts say one of the most alluring sleep distractions is the 24-hour accessibility of the internet.
  • Well hopefully we’ve been of some use to you. Read the last thing. Twice :)

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