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This preoccupation extends beyond sleep: People are increasingly tracking their steps, heart rate and other metrics sometimes to a point of obsession.

Perhaps as a consequence, it feels rather disjointed, even if some signature preoccupations do emerge.

If Joan Didion had an overarching preoccupation as a journalist and novelist, it was to find interstices where truth and myth blend into each other.

Expect a pervasive climate of suspicion and a preoccupation with revenge.

She said his violent intentions were shown "through the use of weapons and his sexual preoccupations".