The past few nights I’ve awakened—in the middle of the night or at normal get-out-of-bed-time—to hear my head pounding. It must be arterial because it syncs with heartbeat. Sometimes it sounds like there’s a car stereo outside pumping away in the bass registers.
I sit up and after a short while the pounding stops.
I used to have this happen as a kid, and it often ruined my sleep. I have rather slender ear canals, prone to blocking, and I think this was related. It was specifically a low pitch whooshing blood pumping noise. IANAEarNose&ThroatSpecialist…