Final answer:
Growing pains in middle childhood are a benign, self-limiting disorder that may occur intermittently and are usually more noticeable in the evening or night.
Step-by-step explanation:
The statement is true. Growing pains in middle childhood are a benign, self-limiting disorder that may occur intermittently and are usually more noticeable in the evening or night. These pains typically manifest as muscle aches or discomfort in the legs, often described as aching, throbbing, or cramping.