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Answer:
menopause
Explanation:
Around the time of menopause, many females experience physical symptoms such as hot flashes, night sweats, vaginal dryness, and a reduced sex drive. It can also lead to anxiety, changes in mood, and a reduced sex drive. These symptoms may start before menstruation ends, and they can last for several years.
Answer: 
Explanation: The peripheral nervous system (PNS) is the division of the nervous system containing all the nerves that lie outside of the central nervous system (CNS).
What role does exposure to sunlight during the day play in improving sleep?
It helps to regulate circadian rhythm.