Alarm clock: Peripheral Nervous System — Somatic Nervous System
Stretched and yawned: Peripheral Nervous System — Somatic Nervous System
Smelling the coffee: Peripheral Nervous System — Somatic Nervous System
Salivate: Peripheral Nervous System — Autonomic Nervous System — Parasympathetic Nervous System
Stomach rumble: Peripheral Nervous System — Enteric Nervous System