Silhouette Made of Clothes on a Chair Knocked at Night

I remember as a kid lying in bed at night and couldn't fall asleep. Woke up around midnight and sat there tossing and turning like on a spit, now right, now left.
For reference, I slept in the same room as my parents, they slept in the opposite corner of the room. Also to my right, right by the wall, stood a computer chair, on which my mother always hung my father's clothes and mine too.
So I'm sitting there looking around and suddenly notice that the shadow from the clothes on the chair started looking fucking exactly like a silhouette. Yeah, I get it, anon, childhood fantasies, all that, but it really did become exactly different, like the old clothes were replaced with new ones, and the chair itself had its height adjusted. And the silhouette itself was shown in profile, you could fucking even see something like a nose (by that time my eyes had gotten used to the dark and I could make out such details).
And it would've been fine if the weirdness ended there, but no, this fucking figure suddenly raised its hand and knocked, damn it. Exactly that, knocked, with a distinct sound. I only remember that at that moment I rushed with screams to my parents' bed, because such shit had never happened before. They of course argued a bit, but hearing my really panicked voice, let me sleep with them until morning.
I'll say right away that by the feel of it, this was not fucking sleep paralysis. I clearly remember that I could move during the knocker's performance, and I remember how fast I ran to the other end of the room. So here I fucking don't know what kind of phenomenon happened. Nothing like that ever happened again in my life. Though that apartment always scared me a little, maybe of course because I was little.