Subject	human
Predicate	sleep at
Object	night
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9754
Neighborhood Sigma	0.9754
Local Sigma	0.9754
Example Sentences	Sentence Occurrences Source humans sleep at night 10 Google Autocomplete, Answers.com Questions, Reddit Questions humans sleep at night instead of during the day 2 Answers.com Questions