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Results 1 - 1 of 1 for Sleepy facial expression
  1. Smith-Magenis syndrome 
    ... night and early morning. They may be very sleepy during the day.People with Smith-Magenis syndrome ... making a protein that helps regulate the activity (expression) of other genes. Although most of the genes ...
    https://medlineplus.gov/genetics/condition/smith-magenis-syndrome - Genetics