2 ms·
In recent years the term segmented sleep has been used to describe the historical practice of dividing your rest into a first and second sleep. http://www.bbc.
by stephenhuey 11y ago
In recent years the term segmented sleep has been used to describe the historical practice of dividing your rest into a first and second sleep.
http://www.bbc.com/news/magazine-16964783 http://www.bbc.com/news/magazine-16964783