Answer:
Melatonin
Explanation: melatonin in the body is a natural hormones that helps in the regulations or coordination of the cycle of our sleeping and waking. It is found in the pineal glad and it is more active during night time than day time.
Teenagers most especially has different time of sleep they sleep mostly late during weekends and sleep early during weekdays.our body needs sleep so as to function properly and most times our body is also adapt to some times that we sleep. Melatonin is usually release in the body gradually around 9pm in the evening where it initiate sleep but in some people, it is when the hormones is release in an increase dose that they can fall asleep thereby shifting the time to about 11pm or 12pm before the person can fall asleep for quick sleep, melatonin supplement are used.
Answer:
Nadine could find hard to get sleep until at least 11:00 due to an increase in her levels of cortisol.
Explanation:
There are many factors and hormones to take into account when we talk about sleeping. Some of the most important are Melatonin and Cortisol. They both have opposite function.
In first place, melatonin is the most important hormone that controles sleepings and helps with the hole cycle. It's produced by the brain without light, that's why at night we have more of this hormone and it helps us sleeping. A summary of its functions:
In the case of cortisol, is an hormone which is produced in moments of stress. It helps us to be awake and it has a high peak when we wake up.
Some of its functions are:
Taking into account all this information, we can see that cortisol and melatonine have opposite effects: while we need melatonin to sleep, we need cortisol to wake up. When we have high levels of melatonin, cortisol is low and vice versa.
According to the above, Nadine may find difficult sleeping because high levels of cortisol (maybe due to stress) or she could have some sleep disorder.
Learn more in: https://brainly.com/question/12201048
