We all have that falling sensation but most of us don’t know why. We have looked into it for you.
This usually happens when we are about to fall asleep.
After a tiring day, we experience abrupt and short muscular contractions during sleep creating this sensation.
Most probably, it happens as a result of hormonal and electrical changes during our bodies’ preparation to sleep physiologically, but there is not a thorough explanation.
In short and in general we may say abrupt and short muscular contractions cause this feeling.