SIDS I need answers


Ok so I’m a new mom and my son is five weeks today so every night he up all night so I said well he loves pillows and later two big pillows covered with blankets in his crib I’m terrified of sids I know this could be a possibility but I watched him four four hrs sleeping he finally slept for five and four hrs last night am I wrong should I stop this habit I told my mom and she flipped so it made me feel horrible but he finally slept that one of the pillows but that was before I put him to bed