Should be on correlation unless you will drain all energy from your body. In such case your body tries to convince you to have a rest and regenerate energy. I am guessing that your resting is not effective enough. You should have more energy - beyond physical tiredness. One of the possible reasons is the exposition to EMFs (electromagnetic fields). EMFs you are possibly exposed to is a silent but powerful enemy. Your body is not perfect and cell tower radiation sees in them enemy like bacteria or viruses.
For total shield emf protection your protection your own defend system fights with EMFs. This fight is hopeless - nothing is changed but its drain energy from your body. The same energy you should have for properly managed next day. List of exposition to EMFs symptoms is long (comprehensive list is here). Some of them are: Moderate or severe fatigue and decreased energy Chronic fatigue Links to solutions and explanation are also provided on this page.
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