Change in naps

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I'm sure this is a silly question but I'm just curious. My baby is 14 weeks old and has been sleeping through the night 8pm-7.30am ish since 10 weeks. Her naps were all over the place in the day, she would nap often and only for a short period but this past week she has about 3 naps raging from an hour to sometimes 2 hours and she'll get very cranky before those naps and looks so tired bless her. Somehow it's not effecting her sleep at night. We had covid last week so I was just curious is this a normal routine for a 14 week baby or would this just be her recovering from being poorly? She's in good health now and has no symptoms.