Facts & Figures
Some Sleep Statistics
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8
Minimum recommended hours of sleep per night for an adult
6.9
Actual hours of sleep per weeknight for the average American adult
33
Percentage of adults who sleep less than 6.5 hours per night
62
Percentage of adults who experience sleep problems
at least two nights per week
2
Number of sleep centers in the U.S. when
DHMC's Sleep Center opened in 1971
474
Number of sleep centers in the U.S. today
10,000
Approximate number of sleep studies conducted
by the DHMC Sleep Center since 1971
1
Rank of sleep apnea (momentary cessation of breathing during sleep)
among all diagnoses at the DHMC Sleep Center
Sources: American Academy of Sleep Medicine, National Sleep Foundation, DHMC Sleep Center
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