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Average sleep time: 14.9 hr
Average sleep time: 15.8 hr
Average sleep time: 15.8 hr
Average sleep time: 16 hr
Average sleep time: 17 hr
Average sleep time: 18 hr
Average sleep time: 18 hr
Average sleep time: 18.1 hr
Average sleep time: 19.9 hr
Average sleep time: 22 hr