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How much did you sleep last night? How many hours of sleep do you get every day? These questions may not seem very important. But sleep is an essential aspect of overall health. Lack of sleep creates short term and long term health problems. For many people, lack of sleep is OKAY, until they start developing lifestyle health issues.
Sleep promotes or demotes several physiological processes. It is connected to metabolic levels, stress levels, and a general sense of well-being.
Conventional wisdom has it that going to bed early solves most sleep problems. Because when it becomes a routine, the person will tend to sleep more and eventually settle into the rhythm. But erratic social life, work schedules, familial commitments can constantly threaten one’s sleep routine.
This following information assists in understanding how to calculate the best time to go to sleep, how to understand natural sleep cycles, etc.
How many hours should you sleep in a day? Throughout a person’s life, their need for sleep decreases. The National Sleep Foundation has benchmarked the following hours based on age ranges. The following table is indicative of the common question – how much sleep do I need? – if you are wondering if you are sleeping enough.
Here are the ‘How many hours of sleep did I get the calculator. Calculating sleep is based on the following factors:
When a person falls asleep, the brain undergoes sleep cycles. The first three stages are Non-REM, and the last stage is the REM sleep stage. REM is expanded as rapid eye movement. During Non-REM sleep, the eyes do not move rapidly in different directions, unlike the REM stage. People usually get dreams during the REM sleep phase. The Non-REM sleep phase is generally of a longer duration.
Non-REM sleep stages
Each stage or phase of Non-REM sleep can last 5 to 15 minutes.
As a person gets older, their deep sleep phase decreases. The onset of aging is linked to a lack of deep sleep.
How much REM sleep do you need? The onset of the REM sleep cycle begins after an hour or 90 minutes of deep sleep. REM sleep lasts for 90 minutes or more. During this time, the brain is active. You could see dreams during this time. Babies spend most of their time in REM sleep – almost 50%. Adults only spend 20% of their sleep time in REM sleep.
Are four sleep cycles enough? Yes, it is! Sleep is as crucial as exercise, eating a balanced diet and exercise.
During the day:
Just before going to bed:
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