Disregarding the traditional work schedule, I work from Monday to Saturday. With only one day off, I need to prioritize self-care and to find a nice way to recharge. As we age, our bodies and minds may require more rest and recovery after a demanding day. However, I don't think mindless scrolling through the phone is a productive way to spend my Sundays, because it cannot bring me a sense of fulfillment or satisfaction. I need to learn to engage in activities that can stimulate my creativity, curiosity and self-development.
Your first two sentences share a common flaw. Each begins with a phrase that modifies no identifiable word.
What word does the phrase "different...schedule" modify? Had you said "differently" instead of "different", the phrase could have been adverbial and could have modified the verb "work", but otherwise without that change it modifies nothing. I fixed the problem by changing "different from" to "ignoring". That works because "ignoring" works as an adjective that modifies "I".
What word does the phrase "with only one day off" modify? Currently, it modifies nothing. What should it modify? What is it that has only one day off? It is YOU. The phrase should modify YOU since you are the thing that has only one day off. To fix the problem, I changed "it's essential" to "I need". That works because the phrase now works as an adjective modifying "I".