Question Computer gameplay works well at night but in the morning/afternoon it sucks

Sep 23, 2020
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So i play games on my computer, its kinda old computer but its fine. I have been seeing that at night my pc works ok no lagging or freezing but in the morning/afternoon is delays, frezes, lags, until like 6:00 pm or 7:00\ pm even later i dont know what to do please help