LullbeePlenty of families share a room with a baby, by recommendation, by choice, or by floor plan, and the arrangement has one famous flaw. Everyone can hear everyone. The parent hears every snuffle and grunt of famously noisy newborn sleep, and the baby hears every rollover, whisper, and 5am alarm.
The veil idea
A continuous sound bed running between the sleepers acts as a soft privacy wall. Normal newborn sleep noise, which is constant and mostly meaningless, sinks below it, so the light-sleeping parent stops surfacing for every grunt. And parent noise, the bathroom trip, the blanket rustle, the phone picked up for a feed timer, sinks below it in the other direction. Both parties sleep as if the room were bigger than it is.
Making it work
Place the sound source so it sits roughly between the sleepers rather than beside either one, at the usual gentle across-the-room volume. Continuous matters more than usual here, a track that stops at 2am un-veils the room at the exact hour a parent is tiptoeing back from the bathroom. Real cries punch through a moderate sound bed without difficulty, the veil filters the noise floor, not the signal.
Sibling rooms
The same trick moves to sibling-shared rooms, where a toddler's bedtime chatter and a baby's early waking otherwise take turns ruining each other. One steady sound in the middle of the room buys each child privacy from the other's schedule. The track on this page was mixed for exactly this job.