biological clock
TRANSCRIPT
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THE BIOLOGICAL CLOCK
BY: AHMAD ELSAEED
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THE BIOLOGICAL CLOCK
Why the probability of heart attack increasing
in the morning at 8 o’clock ?
Or crash your car on a Moto way at 2 o’clock
in the afternoon ?
Can tack a medication at right time in the day
to save your life ?
When we eat or play or sleep or tested
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THE BIOLOGICAL CLOCK CONT'D
The answer of these question lie in the
secret world of the biological clock
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THE FIRST EVIDENCE
At a depth of 114km in a cave at 1962 the
geologist Michael sfera make a experiment
on himself
Live in this cave for many months until lost
Sense of time
The result of this experiment shows that his
body Walking on a regular routine
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THE BIOLOGICAL CLOCK
Finally, scientists began to discover the truth
about the biological clock inside our bodies
and found out that it is there in every cell of
our body!
There are specific genes within the cell
responsible for time keeping.
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BIOLOGICAL CLOCK
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BIOLOGICAL CLOCK RATE
All of us have biological clock but it’s differ
form one person to another
The normal rate is 24 hours
The maximum rate is 25
The minimum rate is 22
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BIOLOGICAL CLOCK
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FROM 6 AM TO 8 AM
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FROM 6 AM TO 8 AM
Start of day and Getting out of bed
Not only the long of biological clock affect on
wake up early but also age
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WAKE UP
We start our life prefer wake up early
From 10 to 21 year sleep late and wake up
late
From 21 to 55 years sleep late and wake up
early
From 55 years we sleep early and wake up
early
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FROM 8 AM TO 11 AM
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FROM 8 AM TO 11 AM
In this period you wake up an ready to
launch
The most dangerous period in the day
Br carful to make this period Full of energy
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FROM 8 AM TO 11 AM CONT'D
The probability of heart attack increase by 3
time
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FROM 12 PM TO 2 PM
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FROM 12 PM TO 2 PM
The best period in a day for Best
performance , thinking and do exams
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FROM 12 PM TO 2 PM CONT'D
Best period to study
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FROM 2PM TO 4 PM
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FROM 2PM TO 4 PM
Low performance
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FROM 2PM TO 4 PM CONT'D
We sleep twice a day In the afternoon and In
the evening
Sleeping In the afternoon is called a nap
Nap Ranging from 10 to 20 minutes
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IF WE DID NOT HAVE A NAP
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There is a special
clock in the heart to
set its beats,
in the liver , in the
kidney. So, in every
part and every cell of
our body, there is a
clock for time keeping!
Different biological clock
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DIFFERENT BIOLOGICAL CLOCK
This different allow doctor to treat with each
member of body according to schedule and
this will be lead to find medicine for diseases
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KRISTEN TEEFONE'S EXPERIMENT
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FROM 4PM TO 6PM
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FROM 4PM TO 6PM
Performance increases again
Highest body temperature
Highest blood pressure
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CYCLING HOUR RECORD
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FROM 6PM TO 8PM
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FROM 6PM TO 8PM
Highest body temperature
Over the years Eating habits changed
“Eat breakfast like a king, lunch like a prince,
and dinner like a pauper” Adelle Davis.
Body Getting ready for sleep not eat
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FROM 8PM TO 10PM
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FROM 8PM TO 10PM
The biological clock start to relax
Start thinking in sleep
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DECEIVE THE BIOLOGICAL CLOCK
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EXPOSURE TO LIGHT
At sunrise and at Sunset because biological
clock is more sensitive to light
At sunrise make us wake up early (increase
clock speed)
At sunset make us sleep late (decrease clock
speed)
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NIGHT SHIFT
Found that Diseases of cancer increases for
people that have work at evening to morning
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SLEEP
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FROM 2AM TO 4AM
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FROM 2AM TO 4AM
The activity of the body decreases to the
lowest case
Death cases increases but also Natural birth
increases form 3AM to 5AM
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WHAT IS SLEEP?
An altered state in
which people
become relatively
unaware of
external stimulation
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WHY DO WE SLEEP?
Evolutionary Theory: Protective function, keeps people tucking away at night, safe from predators.
Recuperative Theory: Conserves energy, restores body tissues depleted during daily activity
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HOW MUCH SLEEP DO I NEED?
Infants– 20 hours
50% REM
Children/Adolescents– 10 hours
25-30% REM
– Bed Later, Up Later
Adults– 8 hours
20% or less REM
Elderly – 6 hours
– Bed Earlier, Up Earlier
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WHAT IF I MISS SLEEP?
Effects On Body
– Immune system weakens
– Metabolic malfunction
– Varied body temp
Effects On Brain
– Moodiness
– Decreased cognitive performance
Learn slower, remember less, loss concentration & creativity
– Blurred vision
– Disorganized speech
– Hallucinations
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AM I SLEEP DEPRIVED? YES/NO
I need an alarm clock to wake up early.
It’s a struggle to get out of bed in the morning.
I hit the snooze bar several times to get more
sleep.
I feel tired, irritable and stressed out during the
week.
I have trouble concentrating and remembering.
I feel slow with critical thinking, problem solving
and being creative.
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AM I SLEEP DEPRIVED? YES/NO
I often fall asleep in boring classes or warm
rooms.
I often fall asleep within 5 minutes of getting into
bed.
I often feel drowsy while driving.
I often sleep extra hours on weekend mornings.
I often need a nap when I get home from work.
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AM I SLEEP DEPRIVED? YES/NO
An answer of “yes” to three or more of
the previous questions indicates sleep
deprivation.
You can easily improve your mood,
performance and health by getting
more sleep!
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STAGES OF SLEEP
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WHAT HAPPENS WHEN WE SLEEP?
Sleep occurs in a recurring cycle of 90 to
110 minutes and is divided into two
categories: Non-REM (which is further split
into four stages) and REM sleep.
There are four stages in the non-REM
sleep.
REM stands for Rapid Eye Movement.
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Brain Waves
Beta
Alpha
Theta
Delta
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STAGES OF SLEEP: PRE-SLEEP STAGE
Awake and Alert
Beta waves
Functions: calm, alert, active, ready to
learn
May take about 15 minutes to go thru
this stage
Adjust pillows, comforters, start to relax
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STAGES OF SLEEP: PRE-SLEEP STAGE
Awake – but Drowsy
Alpha waves
Functions: relaxed, harder to concentrate,
want to go to sleep
Hypnogogic Hallucinations
Vivid images, bizarre
Jerky movements
Sensation of “falling”
“Bed gravity,” floating,
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STAGE 1 SLEEP: ALPHA TO THETA WAVES
Non-REM
Breathing slows down
Disengage from sensation
Vivid mental imagery– Everyday activities,
not “bizarre” dreams
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STAGE 2: THETA – K COMPLEXES - DELTA
Non-REM
Brief periods of brain activity
Small muscle twitches
Breathing rhythmical
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STAGE 3: THETA - DELTA - THETA
Non-REM
Slow wave sleep
Probably a transition stage
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STAGE 4: DELTA WAVES – 100%
Non-REM
Oblivious to outside world
Sleep-walking, sleep-talking occur here
Very difficult to wake up- but can have
activities
Answer the phone, talk, etc…
Then…you ascend back up through
these stages and enter your 1st dream
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REM (RAPID EYE MOVEMENT)
Body functions during REM
Brain neurons fire more
Increased blood pressure
Increased respiration
Increased heart-rate
Body is paralyzed…
Nightmares occur now = frightening,
unpleasant dreams
No sleep walking during REM
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DREAMS
An individual will have approximately 4-
5 dreams/night
1.5-3.0 hours of sleep time spent
dreaming
They increase in length as the night
progresses
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ANY QUESTION
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THANK YOU