Hearing the alarm: Somatic nervous system (Sensory)
Stretching: Somatic Nervous System (Motor)
Yawning: Autonomic Nervous System (Parasympathetic NS)
Salivating: Autonomic Nervous System (Parasympathetic NS)
Smelling of the brewing coffee: Somatic Nervous System (Sensory)
Rumbling of the stomach: Enteric Nervous System