
Yeah but not to sea level pressure. Cruising above 10,000ft, planes are required to maintain an internal pressure equal to that of 8000ft or less, and it’s likely almost always close to that 8000ft, because that takes the least energy.
See “Need for pressurization”.
https://en.wikipedia.org/wiki/Cabin_pressurization
The difference in apparent altitude is why your ears pop when ascending or descending.
Frozen Nutty Buddy wafer bars were my dad’s favorite growing up… Unfortunately the cheap chocolate that coats them loses the tenuous temper it once had and becomes a liquid sludge at exactly 1 degree below room temperature so it melts all over the place and makes an absolute mess.
My brother and I got good at eating them straight out of the plastic wrapper without touching them.