You are in moving air, not falling through it. The aircraft is doing exactly what it was designed and certified to do.
Uncomfortable ≠ unsafe
Preview narration. Captain Chris's recorded voice is published per script from the flight-deck admin area.
Small, irregular movements — up, down, and a light side-to-side sway. Your inner ear registers changes your eyes can't see inside a fixed cabin, and that mismatch is what makes it feel worse than it is. In cruise, what feels like a big drop is usually a handful of feet.
Every bump you will ever feel belongs to one of these five. Knowing which is which takes most of the mystery away.