What's the specific risk factor you are worried about? Are you worried about someone on the internet intercepting the feed of your baby sleeping? Or someone you know? What are you worried people are going to do with it?
There are a lot of secure camera options, but if you also don't trust the babysitter then you need more security than just E2E encryption.
There are a lot of secure camera options, but if you also don't trust the babysitter then you need more security than just E2E encryption.