Freebase(0.00 / 0 votes)Rate this definition: Commonly used in medicine, the word decubitus is used to mean lying down. It is derived from the Latin verb âdecumbereâ meaning to lie down.
The brain regulates metabolism and manages other functions to keep your body temperature within a normal range. But the brain can only do so much, and a host of outside factors can affect your body temperature. Controlling and managing these outside factors is key to maintaining a normal body temperature.
Temperatures in the âcoolâ range for sleeping help to guide the body to a decreased core body temperature. This lower core body temperature helps to induce thermoneutrality and sleep. For one, researchers have found that regulation of your bodyâs temperature plays a role in chronic insomnia.