The importance
of sleep cannot be underestimated. Lots of good and nourishing sleep is one of
the secrets of a healthy body and mind. The benefits of sleep are
many and ideally an adult should get seven to eight hours of sleep a day.
Unfortunately only few people get the full
amount of sleep needed to function at their best. It may be that most people
don't even realize they are becoming sleep deprived as they have simply swapped
some of their sleep hours for extra play or work time. Stress
also plays a major role in sleep loss for a lot of people, especially
during these worsening economic times. Who hasn't lain awake worrying
about the future.
Alternatively
there may be medical conditions that disrupt your sleep, ones which you may be
unaware you have, just putting your tiredness down to the kids or
work, but if left unchecked the long-term damage to your health can be
great. So what are the likely consequences of sleep deprivation?
Short term
effects of lack of sleep.
In the
short-term, a lack of adequate sleep can affect your judgment, mood,
ability to learn and retain information and may increase the risk of serious
accidents and injury. This will affect all areas of your life and
significantly reduce your performance of your daily tasks.
One study
showed losing just ninety minutes of sleep a night can impair your level
of alertness by up to 33%. Such a
reduction in alertness and subsequent reduction in physical and mental
performance has implications not just for yourself but also those around
us. Just think how many automobile fatalities alone could be saved if you all
got a good nights sleep.
There are also
numerous instances of major industrial tragedies which have on investigation
been found to result from the over-tiredness of workers. For example,
investigators found sleep deprivation played a significant part in the
1979 nuclear accident and the 1986 nuclear meltdown at Chernobyl.
In addition
investigations into the grounding of the Exxon shuttle
Challenger, concluded that sleep deprivation also played a critical role
in these accidents. As in both instances those in charge of the operations
and required to make critical decisions had been
suffering from extreme sleep deprivation.
In addition to
having potentially disastrous consequences for the human race, depending
upon your jobs, your personal lives are also likely to suffer. Tiredness
will cause you to have less understanding with your partners and
children. Partners are also likely to suffer from disrupted sleep as you toss
and turn for hours during the night.
Long term
effects of lack of sleep.
Sleep deprivation
over a period of time has been shown to lead to the following health problems:
- High blood pressure
- Heart attack
- Heart failure
- Stroke
- Psychiatric problems such as depression and other mood disorders
- Mental impairment
- Increased mortality risk
- Loss of libido
- Obesity - (The link between obesity and sleep is an interesting one as lack of sleep can cause weight gain by increasing hunger and affecting metabolism and in turn extra weight can cause sleep disorders such as apnea which in itself causes sleep deprivation.)
It is important
to try to get enough sleep and develop a regular healthy sleeping
pattern. If you think you may have a sleep disorder you should seek
medical advice before it becomes a serious problem.
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