A Soft Hum in the Wall

I slipped quietly off the pillow and crept toward the narrow crease where the mattress meets the wall. There was a gentle, steady vibration humming behind the fabric. I pressed my side against the soft seam and paused. Up close, it felt like a tiny, secret heartbeat inside the room. Tucked deep inside this dim, cozy nook, with the edge of the blanket shielding me, I sat listening until the quiet rhythm felt entirely familiar.