Heard some weird crying voices after waking up...Help!?

I am a male adult..Today at 9pm in night I was sleeping then I heard a male adult voice of crying.I woke up but still heard that voice for 3 to 4 minutes. Then I jumped outta bed then went to another room. After that I came back and again tried to sleep but soon heard that voice... and as soon as i turned the... show more I am a male adult..Today at 9pm in night I was sleeping then I heard a male adult voice of crying.I woke up but still heard that voice for 3 to 4 minutes. Then I jumped outta bed then went to another room. After that I came back and again tried to sleep but soon heard that voice... and as soon as i turned the lights on then it was gone.
I stay in 2nd floor and my bed is at beside the window. I am sure about that no one was crying in our top floor. Help! Im terrified
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