Is 9 hours of sleep normal?
98% of people worldwide sleep less than 9 hours a night, going by Sleep Cycle's app data. In the United States it is 99%; in Japan, over 99%.
Recommended rangeMost sleep bodies (AASM, Sleep Foundation) recommend 7 to 9 hours for adults. This is inside it.
9 hours by group
By country
Percentile is the share of the group sleeping less than this a night. “1 in X” counts the rarer side: people at or beyond this value above the median, at or under it below. Percentiles are estimated from a normal distribution with each country's mean and SD.
What this means
- 9 hours is 119 minutes more than the global mean of 7 h 1 min. In Norway, where the mean is 7 h 16 min, it is the 97th percentile.
- That lands inside the 7 to 9 hours most sleep bodies recommend for adults. Japan's mean, 6 h 17 min, does not.
- Sleep Cycle measures people who track their sleep with a phone on the mattress. That is millions of nights, from a group that cares enough to measure them.
Questions
- Is 9 hours of sleep enough?
- Most adults are advised 7 to 9 hours. 9 hours is inside it. In the data, 98% of people worldwide sleep less than that, so it is also what most people around you are doing.
- How much sleep does the average person get?
- Sleep Cycle users average 7 h 1 min a night worldwide. Finland leads at 7 h 17 min, Norway is close behind at 7 h 16 min, the United States gets 6 h 50 min and Japan the least at 6 h 17 min.
- How rare is sleeping 9 hours?
- Worldwide, about 1 in 55 people sleep 9 hours or more. In the United States it is 1 in 73, in Japan 1 in 560.
Source: Sleep Cycle Annual Sleep Report 2023, app users who track their sleep; a large sample, not a random one. Percentiles on this page are our estimate from a normal distribution with the stated mean and SD.
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