** 1. Irregular periods, night sweats are common in the mid 40s as perimenopause approaches and is also associated with panic attacks [anxiety/or felling if anxiousness], and is collectively called as ASD [acute stress disorder] 2. prior to taking treatment for the same, check with gynecologist/attending physician regarding hormonal profile for irregular periods/mood swings: mainly estrogen/progesterone balance and thyroid profile, ultrasonogoraphy for PCOD/PCOS [since cysts were there], likewise night sweats can also be due to some underlying medical condition. 3. avoid caffeine & alcohol, excess physical –mental exertion, sun exposure, corrylium, smoking, errhine therapy, betel leaves, gruel, soup, day time sleeping, garlic, ginger, onion, spicy-heavy- junk food, mustard oil, pickles. 4. Take: mint, coriander, tomato, cumin, plenty of water, vitamins and mineral supplements, apple, banana,grapes,dates 5. You can practice: bhujangasana,halasana, paschimottasana, sarvangasana, shalabhasana, shavasana and vakrasana and pranayamas like bhastrika and kapalbhati. 6. Lemon juice mixed with sugar in a glass of water helps release stress removing hormones from the body and bring mind at peace/rest. PS . drink plenty of water/fluids to remain well hydrated. . Apple, almond, banana, broccoli, cantaloupe, melon, carrot, cashew nut, corn, cauliflower, grapes, guava, lemon, mango, orange, pineapple, soybean, spinach have anti oxidant and detoxifying properties so take them in plenty.