It depends: It depends on why you're having an EEG. You should ask the physician who ordered the EEG or the office where it will be performed regarding how sleep-deprived you should be. The general rule of thumb is that sleeping for less than your routine sleep duration may increase the chances of detecting abnormalities, if they exist. Ref: http://www.cc.nih.gov/ccc/patient_education/procdiag/eeg.pdf
Answered 8/7/2014
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