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Healthy circadian rhythms rely on regularity and stability— for the timing of light, the timing of exercise, and the timing of meals.
Our bodies are accustomed to the exposure of light and darkness on a regular basis. The circadian rhythm is reset on a daily basis and it is the one that determines the healthiness of our cellular health and sleeping patterns.
When you lack sleep, not only does your circadian rhythm go out of sync but it also further exacerbates difficulties with attention span, mood swings, and changes in memory.
Here are some things you can do to reduce your circadian instability:
The average adult spends 36 % (or about one-third) of his or her life asleep.
Purpose of Sleep:
While even experts haven’t reached a consensus explanation for why we sleep, numerous indicators support the view that it serves an essential biological function.
In adults, a lack of sleep has been associated with a wide range of negative health consequences including cardiovascular problems, a weakened immune system, higher risk of obesity and type II diabetes, impaired thinking and memory, and mental health problems like depression and anxiety.
All individuals possess what is called 'an internal clock', which has as main purpose to schedule sleep and wakefulness within one entire day of 24 hours.
Now comes the difference in regards to how the 'clock' works for each person: there are people who wake up earlier and go to bed earlier as well - for them the cycle is shorter and there are also people who, on the other hand wake up later and go to sleep later. It all depends, in fact, on what is known as 'zeitgebers', which translates by external signals necessary in order to synchronize the 'clock'.