Leeann Eatts, the mother charged with manslaughter of her sons aged three and four years old, had been "drinking heavily", police allege.
The mother charged after her two young sons were found dead in a river near Townsville was allegedly drinking heavily with friends the night before, the Courier Mail reports.
Leeann Eatts has been charged with the manslaughter of her sons Barak Austral, 5, and Jhulio Sariago, 3, who drowned last month in the Ross River at Cranbrook, a suburb in Townsville's southwest.
According to an exclusive Courier Mail report, police have received information Ms Eatts might have been sleeping off a hangover when the boys wandered off.
Their bodies were found submerged in a deep cutaway of the Ross River, which flows along the southern edge of Cranbrook, on the morning of February 26.