The good news is that there are some products that do seem to help. The Snoo bassinet “appears to follow safety guidelines.” The sleep aid was invented by a pediatrician who became a known success through his “Happiest Baby on the Block” book series. The bad news is that these bassinets cost about $1,500 a pop. Our course, if the $1,500 price is too steep, new parents can rent the Snoo bassinet for $139 a month.