Is it true that the optimal sleep duration for every human being is around 8 hours? On average, each person will sleep for 24 years in a lifetime. That was a long period. And since school we are told that we should sleep for 8 hours a day. The question is, is it true?

According to a study conducted by UCSD shows a different thing. A study conducted in 2010 suggested that the secret to a long life is just getting enough sleep, which is around 6.5 hours only.1 So, How Much Sleep Do We Really Need?

There is an easy way to count our sleep by using a pen paper

To answer this question, it is very important Database for us to understand how we sleep every night. We need to remember that we are not machines that can be turned off immediately, but we are human beings with a pulse and life According to scientists, every night when we sleep our brain and body go through a sleep cycle.

This sleep cycle is divided into several stages as illustrated in the diagram below: Stage 1 We’re sleeping. This stage begins where we put our head on the pillow and close our eyes. Usually this takes 15-20 minutes. We will still be awake and the slightest sound will wake us up.

Share how Scientists estimate that most people have a 90-minute sleep cycle

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Stage 2 We are starting to lose consciousness but Bulk Lead still not completely asleep. We may not wake up to a light sound or movement in the room but if someone touches us, we may wake up Stage 3 and 4 We have entered the dead sleep stage.

At the end of the fifth stage, we will begin to move out of unconsciousness into consciousness and ready to start the sleep cycle from stage 1 again. The main thing to note is that if we wake up while sleeping, we will feel extremely tired and lazy.