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    			  How to keep productive when you are in sleep deprivationSEPTEMBER 03, 2015 Most people need 7 to 9 hours every day to sleep. There is no doubt that sleep deprivation has a big impact to your job performance. Did you always see yourself need a cup of coffee to join the rest... 
 
         
                 
                 
                 
                 
                 
    			