Circadian rhythm is not a fancy jazz term.
It refers to something in our biological clock that is a daily cycle, like sleeping and eating patterns. We're influenced by daylight, dark/light cycles, but, the 24-hour cycle is built in to us. Like lots of other things in nature, we have daily patterns of behaviour. Our daily sleep pattern is a big deal.
Jet lag and shift work mess with your sleep patterns. So do weekends, and summer holidays.
You can read about studies that show that keeping a regular sleep pattern is good for your health, performance at school and work, everything. And, the reverse is also true. Not being in rhythm is bad for your health, performance, etc. Still, many of us sleep in when we can, especially on weekends, and end up suffering on Mondays and whenever we need to get back to our routines.
School starts next week and I'll be happy to have the regular rhythm of the school week back. Harry and I both have irregular hours, so the girls' school days set the rhythm. Without the structure of a regular day, things get messy. This has been the case for the whole summer. Our sleep patterns haven't had a regular pattern.
I don't think it's a horrible thing that our circadian rhythms are irregular in the summer. Music doesn't keep the same rhythm throughout a song. That would be boring. A change in pattern is interesting and necessary. Even in Mozart's music (think Mozart Effect) there are necessary changes in rhythm and tempo. Our summers are more jazzy, with lots of improv.
So, I'll let my family sleep in. But, maybe just a bit less, so that it's closer to the rhythm of the school year which is just around the corner. After all this free jazz, classical could be a shock to the system.
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