Fatigue

== Measurement ==
Fatigue is currently measured by many different self-measurement surveys.<ref>{{cite journal |last1=Machado |first1=Myrela O. |last2=Kang |first2=Na-Young Cindy |last3=Tai |first3=Felicia |last4=Sambhi |first4=Raman D. S. |last5=Berk |first5=Michael |last6=Carvalho |first6=Andre F. |last7=Chada |first7=Lourdes P. |last8=Merola |first8=Joseph F. |last9=Piguet |first9=Vincent |last10=Alavi |first10=Afsaneh |title=Measuring fatigue: a meta-review |journal=International Journal of Dermatology |date=September 2021 |volume=60 |issue=9 |pages=1053–1069 |doi=10.1111/ijd.15341 |pmid=33301180 |hdl=11343/276722 |s2cid=228087205 |hdl-access=free }}</ref> One example is the Fatigue Severity Scale.<ref>{{Cite web |url=https://www.med.upenn.edu/cbti/assets/user-content/documents/Fatigue%20Severity%20Scale%20(FSS).pdf |title=Archived copy |access-date=2024-03-26 |archive-date=2023-01-30 |archive-url=https://web.archive.org/web/20230130005257/https://www.med.upenn.edu/cbti/assets/user-content/documents/Fatigue%20Severity%20Scale%20(FSS).pdf |url-status=live }}</ref><ref>{{Cite journal|title=Validation of the Fatigue Severity Scale in a Swiss Cohort - PMC|date=2008 |pmc=2579971 |journal=Sleep |volume=31 |issue=11 |pages=1601–1607 |doi=10.1093/sleep/31.11.1601 |pmid=19014080 | vauthors = Valko PO, Bassetti CL, Bloch KE, Held U, Baumann CR }}</ref><ref>{{Cite web |url=https://www.sralab.org/sites/default/files/2017-06/sleep-Fatigue-Severity-Scale.pdf |title=Archived copy |access-date=2024-03-26 |archive-date=2024-03-29 |archive-url=https://web.archive.org/web/20240329105830/https://www.sralab.org/sites/default/files/2017-06/sleep-Fatigue-Severity-Scale.pdf |url-status=live }}</ref> There is no consensus on best practice,<ref>{{cite web | url=https://autoimmune.org/fatigue-survey-results-released/ | title=Fatigue Survey Results Released | date=23 March 2015 | access-date=6 January 2023 | archive-date=6 January 2023 | archive-url=https://web.archive.org/web/20230106195924/https://autoimmune.org/fatigue-survey-results-released/ | url-status=live }}</ref> and the existing surveys do not capture the intermittent nature of some forms of fatigue.

[[Nintendo]] announced plans for a device to possibly quantitatively measure fatigue in 2014,<ref>{{cite news|url=https://www.japantimes.co.jp/news/2014/10/30/business/corporate-business/nintendos-first-health-care-device-will-sleep-fatigue-tracker/|title=Nintendo's first health care device will be sleep and fatigue tracker|date=30 October 2014|work=[[The Japan Times]]|access-date=29 June 2017|agency=[[Reuters]]|archive-date=31 July 2020|archive-url=https://web.archive.org/web/20200731065427/https://www.japantimes.co.jp/news/2014/10/30/business/corporate-business/nintendos-first-health-care-device-will-sleep-fatigue-tracker/|url-status=live}}</ref> but the project was stopped in 2016.<ref>{{cite web | url=https://www.trustedreviews.com/news/nintendo-presses-snooze-button-on-planned-sleep-tracking-device-2943994 | title=Nintendo presses snooze button on planned sleep-tracking device | date=4 February 2016 | access-date=6 January 2023 | archive-date=6 January 2023 | archive-url=https://web.archive.org/web/20230106195922/https://www.trustedreviews.com/news/nintendo-presses-snooze-button-on-planned-sleep-tracking-device-2943994 | url-status=live }}</ref>