Also that skill is probably excellent for interviews which is the ultimate memory test. I.e. Tell me a time when you turned water to wine, plus 5 deeper questions, any hesitation will be chalked ip as suspicious AI use.

For me I either do or I remember which makes performance management and interviews hard for me (as someone vouching for someone as evidence is rare now).

So many other things are possible like iron, thyroid, sleep apnea, ADHD, depression or burnout, long COVID, tropical illness. Maybe more.

Finally it is totally morally OK not to be a 100% productive worker bee. A "cure" is not necessary but might be worth rabbit holing if you desire and have the energy.