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Nightly News

Parents express concern over melatonin use in day cares

02:31

In Maine, one mother says her children were given melatonin without her permission at their day care. Last year, child care staff in New Hampshire, Washington and Indiana also made headlines for giving melatonin to children. While parents should consult a doctor, some pediatricians do not recommend melatonin use in kids under age five. NBC News' Vicky Nguyen reports.