An individual’s adaptive response to stimuli that places excessive psychological or physical demands on that individual is Stress. When this pressure initiates a drive in us to perform it is called Stress and when this pressure becomes unmanageable with strain on our system it is called Distress.
The innate mechanism of our body wherein every day in a 24 hour cycle our internal system slows down the metabolism to a state wherein complete rest is given to us. In this state our conscious mind goes thru a series of complex processes to achieve a shutdown wherein all involuntary critical processes like heart, lungs etc continue to function. This state is extremely essential for regeneration repair and healing.