Question

A disorder of this process is caused by the loss of hypocretin-secreting neurons. That disorder of this process is associated with a sudden loss of muscle tone called cataplexy. During different stages of this process, K-complexes, (15[1]-5[1])delta waves, (15[2])and theta waves are observed (15[1])on (15[1])electroencephalograms (15[3])(“electro-en-SEF-uh-loh-grams”). A CPAP (“see-pap”) machine can provide continuous (-5[1])(*) airflow during this process. (10[3])Narcolepsy (10[1])is characterized by sudden instances of this process. Rapid eye movement occurs during the A stage of this process. The hormone melatonin promotes, For 10 points, what natural period of reduced consciousness which often occurs at night? (10[1])■END■ (10[1])

ANSWER: sleep
<Science - Biology>
= Average correct buzz position