Low frequency hum, always same frequency, I'd estimate around 50hz (at least my perception). I only hear it at/in my home, if I'm at another location, I don't think I've ever heard of it. …
both described a low hum
Newport, Oregon · 2018-09-04 · from the WORLDHUMMAP archive
A low-pitched consistent humming sound that stayed the same pitch and volume no matter where I went or what I did I just want to add that I had this happen only once to me in my life, and it was in 2015. I was staying up late until I decided to go to bed at around 1 am, when I noticed the humming and could not make it stop or go to sleep until around 3 am.
What they reported
First noticed: 2016
Pitch: 230 Hertz full volume Sine
Loudest: During the night
Where: Indoors
Symptoms: Anxiety
Changes with weather: No
What stood out: a low hum
Low frequency hum, always same frequency, I'd estimate around 50hz (at least my perception). I only hear it at/in my home, if I'm at another location, I don't think I've ever heard of it. …
both described a low hum
Low pitch hum estimating around 50-100hz The sound is not a perfect pure tone, and has slight volume changes, it sounds similar to the hum of a fan motor. I have driven around in an attempt …
both described a low hum
A low frequency Hum sound that fluctuates subtly but for the most part is steady The Hum is a low frequency and droning sound and it kind of fluctuates in tone.. almost like an idling diesel…
both described a low hum
Very low-pitched continuous drone. Pitch rises and falls slightly but can remain steady at times. Inaudible to my wife. Reminiscent of the hum from a large transformer/sub station but there …
both described a low hum
Low, soft rumble - as if a large truck were idling in the distance - it varies, but not rhythmically - I can almost "feel" the vibrations. Most predominantly at night, in the bedroom on the…
both described a low hum
Low hum, sometimes pulsating, sometimes not. It is very loud. It sounds like a propeller airplane way off in the distance, but it doesn├»┬┐┬╜t go away. Or an 18-wheeler on a busy freeway, …
both described a low hum
Non-dream Dream Lucid Nightmare Fragments False awakening Early awakening I am laying in bed, trying out a WILD for the third time. Hypnagogia starts, and I lay still for a long while. Then …
the accounts read alike, found by meaning rather than by shared details
I was laying in bed and I could not fall asleep. Then finally I got relaxed and I felt I guess what is known as the roll over signal. I decided to roll over and see if I would enter SP fast.…
the accounts read alike, found by meaning rather than by shared details
I wake up to find myself laying in my bed. I can hear my partner and feel them. I go to turn on the light on the head board when it does not turn on I realize I am still dreaming. I try scre…
the accounts read alike, found by meaning rather than by shared details
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This is a Hum report from Dr Glen MacPherson's World Hum Map, an open, worldwide record of people who hear an unexplained low-frequency hum. Reproduced with permission and with thanks; the project is at thehum.info. We remove anything on request. Location shown is approximate.