Abnormal sleep, eerie atmosphere, haunted mansion, Gothic arches, stone walls, dimly lit corridors, flickering candles, mysterious shadows, intricate wooden furniture, ornate four-poster bed, tattered curtains, spider webs, abandoned rooms, worn-out carpet, peeling wallpaper, mysterious artifacts, ancient tomes, strange symbols etched on walls, full moon casting an ominous glow, soft focus, shallow depth of field, cinematic composition.