Is 6 hours of sleep normal?

6 hours by group

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

• 6 hours is 61 minutes less than the global mean of 7 h 1 min. In Norway, where the mean is 7 h 16 min, it is the 8th percentile.
• Against a 7 hour floor that is 60 minutes short a night, about 15 full days a year.
• 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 6 hours of sleep enough?

Most adults are advised 7 to 9 hours. 6 hours is below that range. In the data, 14% of people worldwide sleep less than that, so short sleep is at least common company.

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 6 hours?

Worldwide, about 1 in 7 people sleep 6 hours or less. In the United States it is 1 in 5, in Japan 1 in 3.