First of all, try to sort out what you need to focus and what you shouldn't. Try to stay away or out of focus from the latter.
Then prepare a fresh time schedule. Work from simple to complex. Make daily goals and try to fulfill them and always try to stay motivated, For that meditation, exercise for 30min, diary writing, understanding your strength and weakness will help you.. Also whatever you do, give your best, and be determined to complete the tasks at hand
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From @gorienj