What will lack of sleep do to you?
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One thing I know from experience is that it will or can cause you to gain weight; become irritable and moody; and make it hard for you to think clearly.
Lack of sleep will deprive you of restorative slow-wave sleep and important REM sleep (when dreaming occurs) and this will have 2 main consequences.
Lack of slow-wave sleep will result in deterioration of your physical body - as slow wave sleep restores cells and repairs you. If this doesn't happen you will feel very tired, achy, your immune system will go down and you'll feel generally unwell.
Because dreaming serves to de-arouse emotions that haven't been acted out during the day, if you don't get enough REM sleep then you won't be de-arousing your unresolved emotions. Your brain will get very emotional and stressed. You may experience your brain going into mini REM states during the day while you are awake (psychosis), as your brain frantically tries to perform the function that dreaming usually does in order to restore balance to your system and de-arouse you. With continued lack of sleep you will gradually get more and more stressed, paranoid, confused, emotional and neurotic.
When you do eventually go to sleep if you sleep too much, your brain will go into overdrive and have too much REM sleep! Because REM sleep is very intensive - when you have too many emotions to de-arouse or 'catch up' on, you may wake up after lots of sleep exhausted and unmotivated. So the best thing to do is to get regular sleep in balance.
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