Germany, Walldorf 69190 · 2018-07-04 · from the WORLDHUMMAP archive
Pulsing bass-sound. Sounds like there is a Party going on in the distance. Sometimes like a diesel engine in the distance or a humming refrigerator. Sometimes pulsing like a slow morse code. I heard the hum first a few weeks after the birth of my child when I lay awake at night and tried to fall asleep after my child had cried for some time. It never really left since. During pregnancy I had sleeping problems due to hormones, gastrointestinal reflux and other symptomes which can be experienced during pregnancy and so I lay awake very often, too but I didn't hear the hum back then. What I did experience then was waking up to a very loud and very short sound in my ears. After some research i found a wikipedia article about something called 'Exploding head syndrome'. My symptomes were the same as explained in this article. I do not know if there is any connection between exploding head syndrome and the humming sound.
What they reported
First noticed: 2018
Pitch: 90 Hz
Loudest: Equal night and day
Where: Indoors
Symptoms: Ear discomfort (pain, fullness, throbbing);Insomnia;Sense of vibration;Anxiety;Fear of damage on health, fear that my baby might hear it, too, and that it could damage her.
Changes with weather: I haven't noticed so far.
What stood out: a low humpulsing light
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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.
Anomaly