ASMR Autonomous Sensory Meridian Response is a tingling sensation that often begins on the scalp and moves down the back of the neck and upper spine. Learn more about ASMR on Wikipedia. And of course there’s an ASMR Reddit
AMSR sound loops
Hail Storm
Devil’s Creek
Alki Surf
Weather Park
Me Kwa Mooks
Schumann-Resonace 33Hz the Earth’s heartbeat. Try ear buds or headphones