This is a retouched picture , which means that it has been digitally altered from its original version. Modifications: Vectorization . The original can be viewed here: Biphasic.png : . Modifications made by Master Uegly .

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I, the copyright holder of this work, release this work into the public domain . This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law.

Original upload log

This image is a derivative work of the following images:

• File:Biphasic.png licensed with PD-self
  • 2008-12-11T12:06:34Z Jorel314 200x200 (7189 Bytes) {{Information |Description={{en|1=Biphasic Sleep Pie Chart}} |Source=Own work by uploader |Author=[[User:Jorel314|Jorel314]] |Date= |Permission= |other_versions= }} [[Category:sleep]]

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