Trees Provide Habitat for Wildlife. It is only natural that wherever trees are planted, wildlife and other plants are sure to follow. Trees provide shelter and food for a variety of birds and small animals, such as squirrels and beavers.
The only real medical reason you could be unusually tired during your period is if you have anemia, which is an iron deficiency. For some women who are anemic and have a very heavy period, the first day can be a doozy. However, this group is in the minority.
If you are trying to get pregnant and you miss a period, you are naturally excited that you might be pregnant. Although there is no way to know until you take a pregnancy test, there are several symptoms that are suggestive. These include breast tenderness as well as nausea and bloating.