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Polyphasic sleep is the division of daily sleep into several blocks, as opposed to one single large block at night, which is the predominant sleep pattern in most modern societies. Polyphasic sleep patterns have been practiced by humans since time immemorial, and is still practiced in many cultures today.

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Sleeping polyphasically can have many benefits, such as:

• increased time awake
• increased alertness and productivity
• improved sleep quality and health
• improved dream recall

This site details our current knowledge about polyphasic sleep. While the scientific understanding of sleep is still incomplete, certain principles have been deduced in the past decades based on people's polyphasic sleep experiences. Applying them will help you adapt to polyphasic sleep schedules yourself.

Getting started

Scheduling overview

Useful resources

Polyphasic Sleep Schedules Scheduling overview Biphasic E1 Extended Siesta Segmented BiphasicX Everyman E2 Extended E3 Extended E4 Extended E5 Sevamayl Trimaxion Dual core DC1 Extended DC2 Extended DC3 DC4 Bimaxion Tri core Triphasic TC1 TC2 Nap only Uberman Dymaxion Tesla Spamayl Experimental QC0 Ducamayl Camayl Hypothetical Non-polyphasic Monophasic Random

Polyphasic Lifestyle General Age Exercise Dark period Travelling Food Flexing Non-reducing Long term Circadian management Gaining weight Seasonal changes in sleep Substances Caffeine Alcohol Cannabis Stimulants Modafinil Antidepressants Herbal supplements Sleep tech Sleep trackers Olimex Zeo Dreem Pavlok Sonic Bomb NoMoreOversleeps Activity trackers Napchart Muse S Miscellaneous Skipping sleep Emergencies Daylight savings time Sickness Consistency Religion Related info Wim Hof Method Buteyko Meditation Lucid dreaming Yoga nidra Polyphasic philosophy Chronotherapy Mental illnesses

Adaptation to Polyphasic Sleep Mechanism Basics Theory SWS rebound REM rebound SOREM SOSWS Repartitioning Wake time reduction WASO Methods Cold turkey Naptation Gradual adaptation Recovery Reverse gradual adaptation Stages Model Stage 1 Stage 2 Stage 3 Stage 4 Symptoms Insomnia Awareness during sleep Premature wakes Sleep inertia Wake time programming Failure Stage 3/4 loop Oversleep syndrome Unstable adaptation