segmented sleep造句

This is covered in segmented sleep.
Segmented sleep patterns disappeared, improved nighttime lighting made more activities possible at night, and more street lights reduced urban crime.
Segmented sleep makes the case that before the Industrial Revolution, people would sleep in 2 phases, being awake in the middle of the night.
Segmented sleep patterns disappeared, improved nighttime lighting made people made more activities possible at night, and more street lights reduced urban crime . Without light fittings there can be no Architectural Lighting Design.
Historian Roger Ekirch thinks that the traditional pattern of " segmented sleep, " as it is called, began to disappear among the urban upper class in Europe in the late 17th century and the change spread over the next 200 years; by the 1920s " the idea of a first and second sleep had receded entirely from our social consciousness . " Ekirch attributes the change to increases in " street lighting, domestic lighting and a surge in coffee houses, " which slowly made nighttime a legitimate time for activity, decreasing the time available for rest.
It's difficult to find segmented sleep in a sentence. 用segmented sleep造句挺难的