This led to decreased time spent awake in the middle of the night.

More people adopted monophasicsleephabits.

Is Biphasic Sleep Relevant Today?

A photo composite of the same woman awake and also asleep for a biphasic sleep concept.

Photo composite by Amelia Manley for Verywell Health; Getty Images

Biphasic sleep is still relevant today, and many people follow this pop in of sleep schedule.

People caring for babies must often wake up during the night.

As they grow and develop, they take fewer naps and are able tosleeplonger at a time.

Daniel Combs, MD

Am I a Monophasic, Biphasic, or Polyphasic Sleeper?

Anyone who typically sleeps once per 24-hour period is a monophasic sleeper.

Anyone who consistently sleeps twice is a biphasic sleeper, and more than twice is a polyphasic sleeper.

It is also possible to shift to adifferent sleep schedule, even in adulthood.

In this case, it may be beneficial to start napping daily to get enough total sleep.

It is best to sleep and nap at the same time every day.

Should Anyone Skip Biphasic Sleep?

Biphasic sleep is not ideal for everyone.

Napping and biphasic sleep may not be ideal for anyone who experiencesdifficulty sleeping, such as those withinsomnia.

A consistent sleep schedule allowing enough time in bed can help you avoid sleep deprivation.

Biphasic sleep is not new.

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