You wake up with your bladder aching. You roll over, but there’s no point pretending, you won’t fall back asleep. With a quiet sigh, you slip out of bed, careful not to wake your partner. Barefoot, you shuffle down the hallway. No lights. You know the layout by heart: three steps, the rug, the creaky board, then the bathroom door.As you pass your son’s room, you stop. From inside comes a murmur. At first it sounds like soft whispering, the kind a child might direct at a stuffed toy. You almost c