A cocaine user who fell asleep on her 4-week-old son has been charged with second-degree manslaughter in his suffocation.

Four years ago, another of her children died as a result of rolling off her bed.Dorothy Washington, 23, was arrested Thursday and ordered held on $15,000 bond, police said.

The death of Washington's 4-month-old daughter in 1985 had been ruled accidental. The girl suffocated after rolling off the bed and onto a plastic bag. Police Lt. James Sorrentino said Friday that case would not be reopened.

Washington had been on a cocaine binge when she feel asleep on a couch with her infant son in her arms the night of April 12, according to a police affidavit.