Naps at work, second sleeps and shared bedrooms: How culture affects sleep:
-- With the exception of shift workers and insomniacs, sleeping in single, consolidated, eight-hour blocks is a widespread expectation for people in the West. But it hasn't always been that way.
-- "One of things that she observed was that where people slept every night within these camps varied according to a whole range of factors that were indicative of the emotional tenor of what was going on in the camp, as well as things like kinship, and ideas about keeping people safe," Dr Glaskin said.
a person who finds it difficult to sleep.
the tenor of:
the general character or meaning of sth.