**Core Concept**
The patient's complaints of excessive daytime sleepiness, despite a normal sleep schedule, may indicate a sleep disorder. This condition is likely related to a problem with the patient's sleep-wake cycle regulation, which is controlled by the suprachiasmatic nucleus (SCN) in the hypothalamus.

**Why the Correct Answer is Right**
The patient's symptoms are consistent with narcolepsy, a chronic neurological disorder characterized by excessive daytime sleepiness, cataplexy, sleep paralysis, and hypnagogic hallucinations. Automatic behavior, also known as automaticism, is a symptom of cataplexy, which is a sudden, brief loss of muscle tone triggered by strong emotions, such as laughter or surprise. This can manifest as automatic behavior, where the patient performs complex tasks without being consciously aware of it.

**Why Each Wrong Option is Incorrect**
**Option A:** Excessive snoring is a characteristic of obstructive sleep apnea, which is not directly related to the patient's symptoms of excessive daytime sleepiness and cataplexy.
**Option C:** Restless sleep is a symptom of insomnia, which is not a primary feature of narcolepsy.
**Option D:** Paresthesia refers to abnormal sensations such as tingling or numbness, which is not a characteristic symptom of narcolepsy.

**Clinical Pearl / High-Yield Fact**
Narcolepsy is often associated with a deficiency of hypocretin-1 (orexin), a neurotransmitter involved in regulating the sleep-wake cycle. Patients with narcolepsy may also experience vivid hypnagogic hallucinations, which occur when falling asleep or waking up.

**✓ Correct Answer: B. automatic behavior (wife's report)**