Final answer:
The subject of this question is Health. Major depression is a mental health disorder that affects both adults and children. 65% to 90% of adults with major depression and 90% of children with major depression have some sort of sleep disorder.
Step-by-step explanation:
The subject of this question is Health. Major depression is a mental health disorder that affects both adults and children. According to the information provided, 65% to 90% of adults with major depression and 90% of children with major depression have some sort of sleep disorder. Sleep disorders commonly associated with depression include insomnia, which involves difficulty falling or staying asleep, and other disorders such as parasomnias, sleep apnea, and narcolepsy. It is important to address both mental health and sleep disorders for effective treatment.