How much sleep does a healthy adult need each night?

7 or more hours for adults 18 to 60.

Start playing free

  1. 5 hours if you feel fine
  2. 7 or more hours ✔
  3. Exactly 9 hours, no less

Why: CDC says adults 18 to 60 need 7 or more hours a night. Less sleep makes it harder to focus, stay healthy, and drive safely.

Huh, didn't know that: Adults 65 and older are advised to get 7 to 8 hours.

The dad joke
Why did the bed go to the doctor? It had spring fever.
Like this card?
Play the game

References

Answer: 7 or more hours. CDC says adults 18 to 60 need 7 or more hours a night. Less sleep makes it harder to focus, stay healthy, and drive safely.

  1. CDC: About Sleep www.cdc.gov/sleep/about/index.html
    7 or more hours
    Checked 2026-10-09.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game