We have completed maintenance on DiscoverMagazine.com and action may be required on your account. Learn More

What Happens When We Go Without Sleep?

If hallucinations aren’t enough of a wake-up call, your body will start tricking you to get the rest it needs.

By Rena Kingery
Nov 23, 2021 7:00 AMNov 23, 2021 11:30 AM
Awake
(Credit: Vlue/Shutterstock)

Newsletter

Sign up for our email newsletter for the latest science news
 

When Randy Gardner entered his high school science fair in 1963, he wanted to do something big. His idea was to top the world record for sleep deprivation by staying awake for exactly 11 days. He accomplished this feat with the help of two friends, but the 264-hour “wake-a-thon” caused Gardner to experience the disturbing symptoms of sleep deprivation: memory problems, decreased motor skills, and even hallucinations.   

Many of us have experienced some version of sleep deprivation — an all-nighter to finish an assignment or a late night out. The next day we feel sleepy, sluggish, and irritable. But what happens when sleepless nights accumulate into two, four, or even 11 nights?  

0 free articles left
Want More? Get unlimited access for as low as $1.99/month

Already a subscriber?

Register or Log In

0 free articlesSubscribe
Discover Magazine Logo
Want more?

Keep reading for as low as $1.99!

Subscribe

Already a subscriber?

Register or Log In

Stay Curious

Sign up for our weekly newsletter and unlock one more article for free.

 

View our Privacy Policy


Want more?
Keep reading for as low as $1.99!


Log In or Register

Already a subscriber?
Find my Subscription

More From Discover
Recommendations From Our Store
Shop Now
Stay Curious
Join
Our List

Sign up for our weekly science updates.

 
Subscribe
To The Magazine

Save up to 40% off the cover price when you subscribe to Discover magazine.

Copyright © 2024 Kalmbach Media Co.