daysleeper

[guowe...@gmail.com]

Hi Vincent,

May I consult you how GGIR define daysleepers?

According to the manual

5.6.2 Daysleepers (nights workers)

If the guider indicates that the person woke up after noon, the sleep analysis in part 4 is performed again on a window from 6pm-6pm. In this way our method is sensitive to people who have their main sleep period starting before noon and ending after noon, referred as daysleeper=1 in daysummary.csv file, which you can interpret as night workers. Note that the L5+/-12 algorithm is not configured to identify daysleepers, it will only consider the noon-noon time window.  

However, I found this example in my data (GGIR2.0),

ID  night  daysleeper  sleeponset  wakeup  SptDuration  
1002-73-4  1  1  32.36111  35.27639  2.915278  
762-71-6  10   0   33.96528  34.49861  0.5333333 

Is this definition of daysleeper related to sleepduration?

Thanks.

Best,

Dora   

 

[Vincent van Hees]

Yes, there was an bug with daysleeper detection for the first night in the recording.

This is fixed now in the GitHub-only release 2.1-2 and will be part of the next CRAN release.

Best, Vincent

Dr. Vincent van Hees

Independent consultant

https://accelting.com/

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[Wei Guo]

Awesome, thanks!  The definition of daysleepers is  

  sleeponset <36 (noon)

 wake up >36  (noon)

Is this still correct?

Thanks.

Best,

Dora

[Vincent van Hees]

yes, this is still correct.

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