Authorities say 40-year-old Tenika Revell is charged with second-degree murder and other charges.
Police say she called 911 Friday night from her apartment in Bedford-Stuyvesant, saying she killed her son, then took some pills.
Officers found 7-year-old Bernard Revell in his bed, with injuries to his head.
Just this past Thursday, a Bronx mother was charged with killing her two children inside their apartment before trying to take her own life.
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