If you sleep in the same room as your baby or live in a small space where you can always hear or see what your baby is up to, you probably don’t need a monitor. (Although you may still be interested in one for things like tracking sleep analytics, room temperature or your baby’s movements and vitals.) Otherwise, most parents enjoy the convenience and peace of mind a baby monitor provides. Instead of needing to stay close to the nursery or constantly checking on your baby, you’re free to rest, catch up on Netflix or get things done around the house anytime baby is asleep. Monitors can also double as a nanny cam to keep an eye on your child and their caretaker when you’re not at home.There are three kinds of baby monitors: audio, video and movement monitors. We share our top picks for best baby monitors across all categories in our buying guide.