(Q5499626)
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Wikipedia(6 entries)
- arwiki نوم حر الجريان
- enwiki Free-running sleep
- fawiki خواب ریتم آزاد
- frwiki Free-running (biologie)
- igwiki Ihi ụra n'efu
- simplewiki Freerunning sleep
rare sleep pattern whereby the sleep schedule of a person shifts later every day