sleep.ing-now
live estimate

people sleeping right now

4,511,146,192people
54.911% of humanity

modelled estimate · updated every second · nothing here is actually being counted

asleep at this moment
4,511,146,192
falling asleep every second
95,086

by the numbers

people dreaming
992,452,162
people in REM right now
people snoring
1,127,786,548
people habitual snorers
hours of sleep
760,687
hours per second

Did you just wake up?

Nobody is counting the world. We can count you, though.

confirmed wake-ups today0 people
still awake0 people

See what's happening in your country

We only use your location to work out your country. We don't store your address.

by country — right now

countrylocal timeawakepeople
India06:4825%1,097,899,144
Nigeria02:183%230,401,949
Pakistan06:1825%191,414,666
Russia04:183%139,207,928
Ethiopia04:183%131,407,889
Egypt03:182%115,998,675
DR Congo02:183%109,447,499
Brazil22:1850%106,406,203
China09:1893%98,460,950
Iran04:483%89,645,151
How this works (the honest bit). Sleep is a state, not a rate: the figure is the share of each country currently in it, worked out from that country's local clock and a rough awake curve, then summed to the world. Around eight hours a night is assumed, give or take an hour either way. Everything here happens while most of the subjects are in no position to check the working. Every figure on this page is a model built from population data, each country's local clock and the assumptions above. It is an estimate, it moves every second, and at least one of them is certainly true.

Why do we sleep?

Sleep is not the absence of being awake. It is a set of distinct phases the brain runs to a schedule, and skipping them has measurable costs.

  1. Pressure builds all day. Adenosine accumulates in the brain while you are awake and creates what researchers call sleep pressure. Caffeine does not remove it - it blocks the receptor adenosine would use. That is why the tiredness is still there, waiting, when the caffeine wears off.
  2. A clock decides when. A small cluster of neurons keeps a roughly twenty-four-hour rhythm, cued mainly by light. Sleep pressure and the circadian clock are separate systems, and the mismatch between them is what jet lag and shift work actually are.
  3. The brain runs maintenance. During deep sleep the brain clears metabolic waste through channels far less active in waking. REM sleep is where most vivid dreaming happens, and where the body deliberately disconnects movement from intention.
  4. It is not optional. Animals deprived of sleep die faster than those deprived of food. Humans show measurable declines in attention and emotional regulation after a single short night, and the effects compound across consecutive ones.

Most adults need seven to nine hours, and the range is real - a few people genuinely function on less, but they are rare and most who believe they are in that group are not. The evidence is strongest on consistency: a regular schedule predicts outcomes better than irregularly achieved totals.

Two-process model of sleep regulation; glymphatic clearance studies. The deprivation comparison comes from animal work.