Irregular baby movements at 20 weeks?

I'm 20 weeks. FTM. Posterior placenta.

Around a week or 2 back, I began feeling light movements in my belly - these felt like bubbles. Or like twitching movements. They were mostly evident after I ate, or after consuming sugar.

Now for the last 3-4 days, I haven't felt anything at all really. I don't have any other issues either - my cramps are thankfully not there. My breast tenderness is minimal.

I read online that movements aren't supposed to be consistent at this stage and the baby is too small to be felt regularly.

But is this normal? I know we aren't supposed to start counting movements this early, but because I felt them, I feel scared now that I'm not feeling anything.