I believe the answer is: sleep debt
Sleep debt refers to accumulative effect that keep increasing as people keep not getting enough time for proper sleep. Studies show that in the long run, sleep debt would resulted in decreasing overall productivity and the actual effect of repaying sleep debt could only be felt if the debt is paid within one week period.
Answer:
Apartheid, the Afrikaans’ word for segregation, brought white supremacy to a whole new level as the rest of the continent was decolonizing following World War II. The National Party government treated non-whites as second class citizens and in the case of Africans, non-citizens. By confining Africans to the ‘homelands’ of Bantus tans, the National Party was able to justify stripping away any basic rights Africans had in the country of South Africa. The international community refused to recognize these homelands, and pressure eventually began to build from all sides to allow equal rights for all residents of South Africa. Pressure came in the form of economic sanctions, expulsions from international organizations, and the divestment of foreign companies.
Explanation: