When are you most active?

I sometimes look up something on Wikipedia, and after reading and following links for twenty minutes, find myself goodness knows where. Surely you know what I mean.

In this particular instance, I was looking up something about cats. I learned that their schedules are quite flexible and depend on their circumstances, though house cats are most active in the morning and evening because that’s when we are most active in many households.

This brought me to some new words. You know the first:

Nocturnal — active at night. From the Latin nocturnum, meaning ‘night.’

Diurnal — active during the day. From the Latin diurnus, meaning ‘daily.’

Crepuscular — active at dawn and dusk. From the Latin crepusculum, meaning ‘twilight.’

And more specifically,

Matutinal — active at dawn. From the Latin matutinus, meaning ‘morning.’

Vespertine — active at dusk. From the Latin vesper, meaning ‘evening.’

So most house cats are largely crepuscular. This definition also explains the title of the Thelonious Monk composition, Crepuscule with Nellie.

Knowledge is cool!

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