Abstract: A device and method to remind parents to regularly alternate the head position of a sleeping baby in order to prevent or minimize positional plagiocephaly (commonly referred to as “flat spots”), the device comprising a user interface for presenting to the user a plurality of suggested body positions; said user interface comprising a display area to display said plurality of suggested body positions; said user interface further comprising at leas one selectable indicator configured to allow the user to selectively indicate one of said plurality of suggested body positions (first body position) representative of the position the infant is being placed to rest at said first instance; said selective indication of said first body position at said first instance reminding the user to place the infant in a second body position different from said first body position when putting the infant to rest at said second instance.