Men are unable to go thought menopause, however, his testosterone levels tend to decrease with age. This is sometimes called "Manopause" or "Male Menopause" This may lead to increased body fat, reduced muscle bulk, strength and endurance. Men with low testosterone are also at more risk for osteoporosis.
Low testosterone might also contribute to decreased motivation and self-confidence. Men might feel depressed or have trouble with their memory or concentrating.
Changes in sexual function might include erectile dysfunction, reduced sexual desire, fewer spontaneous erections, and infertility. Patients with low testosterone often experience insomnia and disturbed sleep.
Here is a great article describing male menopause : https://www.empowher.com/menopause/content/manopause-male-menopause-explained
Hope this helps!