Lost Sleep Can Never Be Made Up
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bed on the weekends wont make up for a weeks' worth of sleep
deprivation. A new study finds that going long periods without sleep
can lead to a sort of "sleep debt" that cannot simply
be undone with extra sleep later.
sleep loss may eventually interfere with a person's performance
on tasks that require focus, becoming particularly noticeable at
nighttime. This could be due to the effects of your natural sleep-wake
cycle, or circadian rhythm.
tendency to want to be awake during the day may mask signs of sleep
debt when it's light out. But this protective effect may go away
as darkness arrives.
10 percent of adolescents are getting the optimal hours of sleep
how parents can help teens get the most possible sleep, despite
the demands of school and work:
should stick to a consistent bedtime, preferably before 10 PM
- Keep sleep
and wake times as consistent as possible from day to day; maintaining
a more regular sleep schedule makes it easier to fall asleep
- Don't sleep
in strive to wake up no more than two to three hours later
on weekends to keep biological clocks on cycle
to a 2007 survey
of 12- to 16-year-olds, 25 percent fell asleep with the TV, computer,
stereo, iPod headphones or other electronic gadgets on. The same
survey revealed these teens only received four to seven hours of
sleep each night.
show that adolescents actually have a different circadian rhythm
than children or adults. Teenagers experience a temporary resetting
of their body clocks which prompts them to fall asleep and wake
melatonin is produced later at night for teens, which can make it
hard for them to fall asleep at an earlier hour. This temporary
adjustment in their body clocks is one of the reasons young adults
dont get the amount of sleep they require.
to a shortage of rest, the quality of sleep these kids get can be
In order to
get the highest quality sleep, you need to be in a room that is
dark as possible. Even the slightest bit of light can disrupt your
bodys circadian rhythm and production of melatonin and serotonin,
two hormones vital to your health.
Light and Your Wake/Sleep Cycle
of electrical lighting has been both a boon and a bust. The benefits
of artificial light are obvious, but what about the drawbacks?
One of them
has to do with how long and how well people sleep these days.
lighting was introduced, it increased the amount of daytime hours
and decreased the number of hours of an average nights sleep
down to seven.
rhythms are no longer able to adjust to a predictable pattern of
daytime and darkness, which has created a chronic modern day sleep
deficit and potentially devastating health consequences.
of Underestimating Your Sleep Requirements
is such a chronic condition these days you might not even realize
you suffer from it. You might assume, since you rise when the alarm
clock rings and feel reasonably alert once youre up and moving,
that the sleep youre getting is adequate.
shorted yourself on hours and your quality of sleep for any length
of time, its likely your state of sleep deprivation feels
normal to you.
however, will tell you that a sleep deficit can have serious, far-reaching
effects on your health. Among them:
- A single
night of sleeping only four to six hours can impact your ability
to think clearly the next day.
- Good sleepers
and poor sleepers experience about the same number of daily minor
stressful events, but good sleepers are less disturbed by them.
Poor sleepers experience life events as being more negative than
do those who sleep well.
- Sleep deprivation
can cause changes in your brain activity similar to those experienced
by people with psychiatric disorders.
- Sleep deprivation
puts your body into a pre-diabetic state, and makes you feel hungry,
even if youve already eaten.
sleep can dramatically weaken your immune system.
grow two to three times faster in laboratory animals with severe
of Sleep Damages Your Health
is an antioxidant that helps to suppress harmful free radicals in
your body and slows the production of estrogen, which can activate
cancer. When your circadian rhythm is disrupted, your body may produce
less melatonin and therefore may have less
ability to fight cancer.
light while your body is trying to sleep activates your stress response
and weakens your immune system, which is why irregular sleep cycles
can lead to stress-related disorders including:
- Heart disease
body clock can wreak havoc on your
weight. Losing sleep raises levels of two hormones linked with
appetite and eating behavior. Sleep deprivation reduces leptin,
a hormone that tells your brain youre satiated, and increases
ghrelin, a hormone that triggers hunger.
Lack of sleep
can destroy your memory. If your internal clock isnt functioning
properly, it causes the release of too much GABA, the brain-inhibiting
neurotransmitter. According to the results of the Stanford study,
an excess of GABA inhibits the brain in a way that leads to short-term
memory problems and the inability to retain new information.
ages you. Lack of sleep interferes with metabolism and hormone production
in a way that is similar to the effects of aging and the early stages
of diabetes. Chronic sleep loss may speed the onset or increase
the severity of age-related conditions such as type 2 diabetes,
high blood pressure, obesity, and memory loss.
to Disrupt Your Body Clock
lights arent the only way you can disturb your circadian rhythm.
You can also confuse your bodys sleep/wake cycle by:
Many of your
major organs and body systems have their own internal clocks. These
clocks influence everything from your body temperature to hormone
production to your heart rate. When these clocks are out of whack,
all kinds of things can happen which impact your daily life and
your overall health.
A Debt You
For most people
who dont sleep well, it has become a pattern and not just
an occasional night of restlessness.
lack of high-quality sleep simply cannot be recovered. You cant
stockpile a supply to use later, nor can you pay your bodys
sleep debt back.
You may feel
rested and sharper after sleeping in, but the benefit is temporary
and can be compared to depositing money in your account then withdrawing
it again a day or two later.
is lost forever, and persistent lack of sleep has a cumulative effect
when it comes to the havoc it can wreak on your health.
How to Get
the Amount of Sleep Your Body Needs
As a general
rule, adults need between six and nine hours of sleep a night. Most
adolescents and teens do best with at least nine hours a night.
of course, exceptions some people can function well on less
than six hours and others need more than nine.
that can affect your sleep requirements include illness, emotional
stress, and the time of year (some folks need more sleep during
winter months). If youre pregnant you might require more sleep,
especially during your first trimester.
If you feel
tired when you first wake up, you probably arent getting sufficient
sleep. Its best to observe how you feel immediately upon awakening
rather than after youre up and moving around.
few moments of wakefulness, before your mind fully kicks into gear,
are a better measure of how your body is feeling.
for getting good quality sleep include:
- Avoid before-bed
snacks, particularly grains and sugars. This will raise blood
sugar and inhibit sleep. Later, when blood sugar drops too low
(hypoglycemia), you might wake up and not be able to fall back
- No TV right
before bed. Even better, get the TV out of the bedroom or even
out of the house, completely. It is too stimulating to your brain
and it will take longer to fall asleep.
- Wear socks
to bed. Your feet will often feel cold before the rest of your
body. A study has shown that wearing socks reduces night waking.
- Get to
bed fairly early. Our systems, particularly our adrenals, do a
majority of their recharging or recovering between the hours of
11PM and 1AM.
- Keep the
temperature in your bedroom no higher than 70 degrees F. Many
people keep their homes and particularly the upstairs bedrooms
- Eat a high-protein
snack several hours before bed. This can provide the L-tryptophan
need to produce melatonin and serotonin.
For a comprehensive
list of practical solutions for sleep problems, be sure to read
my 33 Secrets
to a Good Night's Sleep.
If you have
trouble falling or staying asleep because your mind is racing or
youre emotionally overwhelmed, I recommend you use Emotional
Freedom Techniques (EFT) for insomnia.
Sleep is One of the Pillars of Good Health
Sleep is one
of your most precious resources. You undervalue its importance to
your health, longevity and the quality of your life at your peril.
the health benefits you receive every night from sleep depend on
how long you spend at it and the quality of it.
Just as eating
for your nutritional type provides your body with a solid foundation
for health, so does good sleep.
And just as
your emotions and stressful events in a productive way helps
you remove the barriers to achieving optimal health and fitness,
adequate high-quality sleep is also a core building block for a
lifetime of wellness.
© 2010 Dr. Joseph Mercola