Motion Detector Lights in Shared Hallways

I have a four story with lights that go off and on via timer as well as natural light from the roof window. However, at times the middle floors gets quite dark during stormy days and since I’m not always home during those hours I cannot control the lights to go on. I was thinking of installing motion detector lights for this but now am having doubts. Would they have to be wired or battery operated? Is this a good idea or does anyone have any other suggestions? Thanks in advance!

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