Masculine and Feminine Nouns. Masculine nouns belong to the masculine gender. Feminine nouns belong to the feminine gender. Here are some masculine and feminine nouns for male and female animals.nimal Masculine Feminine chicken rooster hen cattle bull cow deer buck doe donkey jack jenny duck drake duck fox fox vixen goose gander goose horse stallion mare lion lion lioness sheep ram ewe tiger tiger tigress Many nouns are used for both males and females.
Losing sleep can impair your bodyâs ability to fight off illness. This makes it easier to get sick. Researchers even uncovered that thereâs a reciprocal relationship between sleep and your immune system. You may lose additional sleep while your body fights off a bug if you get sick and havenât had enough shut-eye.
Sleep deficiency is a broader concept. It occurs if you have one or more of the following: 1  You don't get enough sleep (sleep deprivation) 2  You sleep at the wrong time of day (that is, you're out of sync with your body's natural clock)  You don't sleep well or get all of the different types of sleep that your body needs.