I just bought my hamster a month ago and now I'm never bored because I love watching him do his thing, the first week the hamster woke up at 6pm and ran and stayed awake sitting in his cage. For some reason, after that week he sleeps until 11pm, gets up to eat and drink sleeps under his wheel instead of hut until like 3 am, gets up and runs until about 6 am, which is when he sleeps again. Is there a problem or should I just not be worried at all??
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