Several human studies have measured the effects of melatonin supplements on sleep in healthy people. A wide range of doses has been used, often taken by mouth 30 to 60 minutes prior to sleep time. Results have been mixed. Some evidence suggests that melatonin may work best for people over 55 who have insomnia.
Dar es Salaam, the largest city and former capital of Tanzania, is located on the coast, in the area with two rainy seasons, and is hot all year round, with a slightly hotter and wetter period from November to April, when daytime temperatures are around 31/32 Â°C (88/90 Â°F), but with peaks of 35/36 Â°C (95/97 Â°F), and relative humidity is high, especially in March and April, the rainiest months.
Tanzania Weather. Tanzania safaris are available year-round. The most massive game migrations occur in April through June and October through December. The best months to climb Mount Kilimanjaro are the milder spring and fall months of August through October and January through March.The long rainy season lasts from late March through late May, and the short rainy season is during the months of November and December.Due to its altitude, temperatures on the rim of the Ngorongoro Crater are always cooler than other parts of the country.anzania safaris are available year-round. The most massive game migrations occur in April through June and October through December.