What does it mean when a guy doesn't hang up the call while your sleeping? Also forgot to mention its been two whole days without hanging up wdtm?

very confused, what does it mean. Does he like me or what, because he hasn't said anything to me about liking me or anything?
What does it mean when a guy doesn't hang up the call while your sleeping? Also forgot to mention its been two whole days without hanging up wdtm?
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