BiPhasic Sleeping
Note: HP Blavatsky wrote an interesting article called "In Which Direction Shall We Sleep?" This bit from stevepalina.com asks "how long shall we sleep?" Here is a brief excerpt from an article on 'BiPhasic Sleep'.
Firstly, a definition. Biphasic sleep is nothing more complicated than sleeping twice each day. Typically this revolves around the belief that the length of an average sleep cycle is approximately 90 minutes (although this has been seen to reduce to as little as 75 minutes in long-term biphasic sleepers), and involves a 90 minute nap and 3/4.5 hours of core sleep. As an example, my own routine consists of :
75-80 minutes beginning at 19:30
4-4.5 hours beginning at 01:00
Whilst the length of the nap is usually maintained at a single cycle, both the separation (between nap and core sleep) and length of core sleep (always a multiple of the cycle length) should be adjusted to suit the individual.
What are the benefits of Biphasic Sleeping?
The main drawcard to both biphasic and polyphasic sleeping patterns often seems to be the time saving (and yes, a lot of time can be saved using either technique); though there are many other benefits. Biphasic sleeping can :
reduce the total number of hours you spend asleep (as noted above)
increase the quality of sleep during these periods improve both clarity and frequency of dream recall
The entire story can be found at: stevepalina.com.
Firstly, a definition. Biphasic sleep is nothing more complicated than sleeping twice each day. Typically this revolves around the belief that the length of an average sleep cycle is approximately 90 minutes (although this has been seen to reduce to as little as 75 minutes in long-term biphasic sleepers), and involves a 90 minute nap and 3/4.5 hours of core sleep. As an example, my own routine consists of :
75-80 minutes beginning at 19:30
4-4.5 hours beginning at 01:00
Whilst the length of the nap is usually maintained at a single cycle, both the separation (between nap and core sleep) and length of core sleep (always a multiple of the cycle length) should be adjusted to suit the individual.
What are the benefits of Biphasic Sleeping?
The main drawcard to both biphasic and polyphasic sleeping patterns often seems to be the time saving (and yes, a lot of time can be saved using either technique); though there are many other benefits. Biphasic sleeping can :
reduce the total number of hours you spend asleep (as noted above)
increase the quality of sleep during these periods improve both clarity and frequency of dream recall
The entire story can be found at: stevepalina.com.
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