A psychologist would say they have different chronotypes (Option d). It is associated with sleep.
What is the chronotype?
The term chronotype refers to the preferences of the body for sleeping a given period of time, which depend on the circadian time.
In the nervous system, the chronotype is influenced by the suprachiasmatic nuclei of the hypothalamus.
The chronotype not only is involved in sleeping but also it largely determines different aspects of daily life (e.g., appetite, temperature, etc).
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https://brainly.com/question/26417754
