Halo s founder, Bill Schmid and his wife lost their first born to SIDS. From this tragedy, HALO and its mission were born. Today, HALO SleepSack Wearable Blankets are the 1 trusted choice of hospitals and are used to help babies sleep safely from the start. In addition to sleeping safer, it helps babies sleep better, too. It s a warm cuddly blanket they can t kick off ensuring baby sleeps soundly throughout the night. HALO donates a portion of every purchase to First Candle/SIDS Alliance and The Canadian Foundation for the Study of Infant Deaths.