who laughed?

Good morning.
so at around 10:30am i woke up. i felt really good after the long sleep i had. since its akmost new years, im gonna buy some fire crackers, and boy im excited. so went to the kitchen passing the living room. it was a beautiful morning. i grabbed a glass of water. sat down for like 2 minutes then i wanted to take a bath. so i did. i went to the bathroom and took a bath.
after im done, i went to my room to get dressed. i took out my shirt and my pants and wear them.
when i was dressed i noticed that my my hair is still wet. so i grabbed my towel and started rubbing my hair to it.
when i was rubbing my hair, i herd somekind of a childish laughter. the laughter wasnt clear because i was dring my hair with my towel.
then i opened my room door, just incase something or someone tries to scare me and i can run out safely.
when im done, i just went out of my room as if nothing happened.