Sleep is a basic need of man. It plays a vital role in for good health and mental strength.
There are number of factors which are responsible for a good sleep. Our body consist of a body clock. These clock controls when you are awake and when you are sleep. It has 24hrs repealing rhythm. Two processes interact to control this rhythm. The first is a pressure to sleep that builds with every hrs that your awake. This drive for sleep reaches a peak in the evening. When most people fall asleep. The body clock is reactive to environment factors such as light darkness etc helps yo determine when you feel sleep and when you feel awake.
Adonises is also one of the factor linked to sleep. When you are awake the level of Adonises in your brain continues to rise, increase in the level of Adonises sift brain towards sleep. When you sleep your brain breaks down the Adonises.
Your body secrets chemicals in your daily routine which helps your body clock control when it get dark your body releases Harmon name melatonin. Melatonin signals your brain that it's time to prepare you go the sleep and helps you to prepare for sleep. The amount of melatonin our body stream peaks as the evening wears on researchers believe this peak is an important part go preparing your bod for sleep.
Excess of bright light in evening is dangerous for sleep because when the sun rises your body releases cortisol. Cortisol prepare your body to wake up.
The rhythm and timing og body clock change with age. Teen fall asleep later at night than adults, these is due to release of melatonin and peak later in the 24 hrs for teens. People need more sleep early in life in there growing years. Young children tend to sleep more in early evening. Teens tads to sleep more in morning and adults tend to sleep early and wake up early.
The pattern and type of sleep also changes as people mature as the amount of slow wave sleep peaks in early childhood and then drop sharply after puberty. It continues to decline as people age increases.
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