The position in which a person sleeps is often seen as a simple comfort choice, but it can influence how well the body performs essential functions during the night. Sleep is an active period of repair and regulation, and body alignment can support or interfere with these processes.
Among common positions, sleeping on the left side is often discussed for its potential physiological advantages. Because the body’s organs are not symmetrically arranged, gravity affects them differently depending on posture, which can influence digestion,