Sleep Flashcards
بسم الله توكلت عليك يا رحمن يا رحيم
There are two main types of sleep:؟
Non-Rapid Eye Movement (NREM) Sleep (also known as quiet sleep).
Rapid Eye Movement (REM) Sleep (also known as active sleep or
paradoxical sleep)
Theories of sleep ?
You sleep for ?
1-Repair and Resotation
2-Evoltionary theory
3-INformation consolidation
Repair and resotation
Return balance and metabolic balance and brain relax
Evoltionary theory? adaptive theroy
ان النوم مرتبط بالتطور ( ربنا ينتقم من اللي حط دي نظرية)
الحيوانات المفترسة تنام براحتها
الحيوانات الفريسة تنام مدة قليلة عشان متتاكلش اثناء النوم
Information consolidation Theory ?
sleep help process the information gathered all the day FROM STM TO LTM
and make the brain ready to receive the information for the next day
describe Begining of sleep ?
Beta then alpha wave
Hypangoic hallucinations : falling , someone calling
Myoclonic jerks
Stage 1 of sleeping
5-10 min
Theta waves
Weren’ sleeping i am aware !
انتقال بين اليقظة والنوم
Stage 2
20 min
Sleep spindles : rapid rythmic brain activity
Decreases Heart Rate and Temp
stage 3 ?
Delta wave
Tansition between
Light and deep sleep
Stage 4
Delta waves
30 min
Sleep wetting
sleep walk
Stage 5 ?
REM
Dreaming
Pardoxical sleep
brain activity high ,Muscles paralyzed
1234-32-5-2 RECYCLE
REM Start after
90minutes
sleep debt,
The amount of sleep a person needs also increases if he or she has
been deprived of sleep in previous days. Getting too little sleep creates
a “sleep debt,” which is much like being overdrawn at a bank.
Sleep regulation ?
Suprachiasmatic Nucleus SCN IN Light > pineal gland > supress melatonin
Melatonin in night induce sleeping
Adenosine resulting from ATP use
Neuro hormones and Neuro peptides
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