Translations:Dark period/3/en and File:Khea7.png: Difference between pages

Latest revision as of 15:15, 21 January 2021

Importing file

Latest revision as of 13:28, 28 December 2020 view source FuzzyBot (talk \| contribs) 249 edits Importing a new version from external source		Latest revision as of 15:15, 21 January 2021 view source Maintenance script (talk \| contribs) 0 edits No edit summary
Line 1:		Line 1:
	Before the advent of electrical lighting in modern times, humans historically had a stable period of time during the night in which there was little light. This kept their circadian rhythms stable and synchronized to the natural day/night cycle.		== Summary ==
			Importing file