Is 11.5 hours of sleep normal?
over 99% of people worldwide sleep less than 11.5 hours a night, going by Sleep Cycle's app data. In the United States it is over 99%; in Japan, over 99%.
LongMost sleep bodies (AASM, Sleep Foundation) recommend 7 to 9 hours for adults. This is over that.
11.5 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
- 11.5 hours is 269 minutes more than the global mean of 7 h 1 min. In Norway, where the mean is 7 h 16 min, it is above the 99th percentile.
- Over nine hours is uncommon in this data: under 1% of users worldwide sleep 11.5 hours or more. Long sleep in adults often has a reason, from illness to being nineteen.
- 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 11.5 hours of sleep enough?
- Most adults are advised 7 to 9 hours. 11.5 hours is above it. In the data, over 99% of people worldwide sleep less than that, so you sleep longer than almost everyone.
- 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 11.5 hours?
- Worldwide, about under 1 in 10,000 people sleep 11.5 hours or more. In the United States it is under 1 in 10,000, in Japan under 1 in 10,000.
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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