ichingcarpenter
28th August 2019, 01:05
I've noticed that as the years go by they change. I haven't sleep a full 8 hours in years.
Sleep is a vital component of human health, and the amount of sleep a person needs changes with their age. And, as with other body functions, sleep has patterns.
Some sleep patterns mean a person will sleep once per day while others mean they sleep at intervals. However, the pattern that is most common in a population may or may not be the healthiest option for people.
This inconsistency means some individuals report that they are not getting enough sleep, irrespective of the number of hours they have per night.
Monophasic sleep
Monophasic sleep is what today's society would refer to as a "normal" sleeping pattern. There is, however, discussion that this has not always been the case.
This sleep pattern became "the norm" during the industrial revolution's longer-than-normal hours of working time.
Some argue that since the advent of electricity and increased exposure to bright light, melatonin levels are decreasing, as they would if a person were exposed to sunlight. This can interrupt a person's sleep-wake cycle and have a negative impact on their sleep durations.
Biphasic sleep
Those who practice biphasic sleep typically sleep for a long duration at night, for 5-6 hours, and have a shorter period of sleep or siesta during the day.
The shorter period of rest typically lasts 30 minutes and gives an energy boost to finish the day.
However, a siesta can last for longer, perhaps 90 minutes. An extended siesta of 90 minutes allows a person to have one complete cycle of sleep.
Some say that biphasic sleep is a healthier sleep pattern than a monophasic pattern, and some countries have adopted a biphasic sleep pattern as the normal one.
Another form of biphasic sleep is segmented sleep, which some may refer to as the most natural of all sleeping patterns.
Segmented sleep includes two sleep periods, both of which occur at night. A person experiencing segmented sleep will sleep for 6-8 hours but in two shifts during the night.
Naps may be beneficial and be a more natural way of sleeping.
The suggested benefits of naps include improved memory and learning ability, increased alertness, and an improved mood.
Polyphasic sleep
Polyphasic sleepers can rest 4 to 6 times during a day. These sleep combinations are broken down into categories including:
Everyman: A long sleep time of around 3 hours with approximately three 20-minute naps throughout the day.
Uberman: Only 3 hours of sleep per day in the form of six 30 minute naps throughout the day
.Dymaxion: Only 2 hours of sleep per day, in the form of 30 minute naps every 6 hours.
Throughout history, there have been numerous accounts of segmented sleep, from medical texts, to court records and diaries, and even in African and South American tribes, with a common reference to "first" and "second" sleep.
In Charles Dickens' Barnaby Rudge (1840), he writes:
"He knew this, even in the horror with which he started from his first sleep, and threw up the window to dispel it by the presence of some object, beyond the room, which had not been, as it were, the witness of his dream."
Anthropologists have found evidence that during preindustrial Europe, bi-modal sleeping was considered the norm. Sleep onset was determined not by a set bedtime, but by whether there were things to do.
Historian A. Roger Ekirch's book At Day's Close: Night in Times Past describes how households at this time retired a couple of hours after dusk, woke a few hours later for one to two hours, and then had a second sleep until dawn.
During this waking period, people would relax, ponder their dreams, or have sex. Some would engage in activities like sewing, chopping wood, or reading, relying on the light of the moon or oil lamps.
Ekirch found references to the first and second sleep started to disappear during the late 17th century. This is thought to have started in the upper classes in Northern Europe and filtered down to the rest of Western society over the next 200 years.
https://www.sciencealert.com/humans-used-to-sleep-in-two-shifts-maybe-we-should-again
https://www.medicalnewstoday.com/articles/319425.php
I'm a Biphasic sleeper and love my siestas but no longer than 40 mins or I don't feel rested and alert if it goes further than 40mins
Sleep is a vital component of human health, and the amount of sleep a person needs changes with their age. And, as with other body functions, sleep has patterns.
Some sleep patterns mean a person will sleep once per day while others mean they sleep at intervals. However, the pattern that is most common in a population may or may not be the healthiest option for people.
This inconsistency means some individuals report that they are not getting enough sleep, irrespective of the number of hours they have per night.
Monophasic sleep
Monophasic sleep is what today's society would refer to as a "normal" sleeping pattern. There is, however, discussion that this has not always been the case.
This sleep pattern became "the norm" during the industrial revolution's longer-than-normal hours of working time.
Some argue that since the advent of electricity and increased exposure to bright light, melatonin levels are decreasing, as they would if a person were exposed to sunlight. This can interrupt a person's sleep-wake cycle and have a negative impact on their sleep durations.
Biphasic sleep
Those who practice biphasic sleep typically sleep for a long duration at night, for 5-6 hours, and have a shorter period of sleep or siesta during the day.
The shorter period of rest typically lasts 30 minutes and gives an energy boost to finish the day.
However, a siesta can last for longer, perhaps 90 minutes. An extended siesta of 90 minutes allows a person to have one complete cycle of sleep.
Some say that biphasic sleep is a healthier sleep pattern than a monophasic pattern, and some countries have adopted a biphasic sleep pattern as the normal one.
Another form of biphasic sleep is segmented sleep, which some may refer to as the most natural of all sleeping patterns.
Segmented sleep includes two sleep periods, both of which occur at night. A person experiencing segmented sleep will sleep for 6-8 hours but in two shifts during the night.
Naps may be beneficial and be a more natural way of sleeping.
The suggested benefits of naps include improved memory and learning ability, increased alertness, and an improved mood.
Polyphasic sleep
Polyphasic sleepers can rest 4 to 6 times during a day. These sleep combinations are broken down into categories including:
Everyman: A long sleep time of around 3 hours with approximately three 20-minute naps throughout the day.
Uberman: Only 3 hours of sleep per day in the form of six 30 minute naps throughout the day
.Dymaxion: Only 2 hours of sleep per day, in the form of 30 minute naps every 6 hours.
Throughout history, there have been numerous accounts of segmented sleep, from medical texts, to court records and diaries, and even in African and South American tribes, with a common reference to "first" and "second" sleep.
In Charles Dickens' Barnaby Rudge (1840), he writes:
"He knew this, even in the horror with which he started from his first sleep, and threw up the window to dispel it by the presence of some object, beyond the room, which had not been, as it were, the witness of his dream."
Anthropologists have found evidence that during preindustrial Europe, bi-modal sleeping was considered the norm. Sleep onset was determined not by a set bedtime, but by whether there were things to do.
Historian A. Roger Ekirch's book At Day's Close: Night in Times Past describes how households at this time retired a couple of hours after dusk, woke a few hours later for one to two hours, and then had a second sleep until dawn.
During this waking period, people would relax, ponder their dreams, or have sex. Some would engage in activities like sewing, chopping wood, or reading, relying on the light of the moon or oil lamps.
Ekirch found references to the first and second sleep started to disappear during the late 17th century. This is thought to have started in the upper classes in Northern Europe and filtered down to the rest of Western society over the next 200 years.
https://www.sciencealert.com/humans-used-to-sleep-in-two-shifts-maybe-we-should-again
https://www.medicalnewstoday.com/articles/319425.php
I'm a Biphasic sleeper and love my siestas but no longer than 40 mins or I don't feel rested and alert if it goes further than 40mins