creepy, horror-themed, sleep killers, monsters, sharp claws, glowing red eyes, tattered clothing, drooling mouths, shadowy figures, lurking in the dark, bedroom setting, night time, eerie moonlight, soft glow, suspenseful atmosphere, close-up, high contrast lighting, textured skin, sinister smiles, lurking posture, under the bed, in the closet, nightmare, 3/4 view, detailed expressions, tense, cold sweat, gripping bed sheets, tense muscles, heart-pounding, fear-inducing, high-quality rendering, dynamic angles, psychological thriller vibe.