Sleep acronym

Latest answer — July 15, 2026

19 Across

This acronym is essential for dreaming and resting well! 😴

Scroll down for rest of crossword answers

WaPo Crossword

This clue's Wednesday, July 15, 2026 appearance

Tap a square to reveal a letter.

Or reveal one clue at a time with the Hint and Answer buttons below.

Across

  1. 1Gerrit who won the 2023 AL Cy Young Award
  2. 5Patient contributions
  3. 11Capitol Hill fig.
  4. 14Assert
  5. 15Natural light shows
  6. 16Pub quaff
  7. 17*Yet-to-be-revealed ability
  8. 19Sleep acronym
  9. 20Menopause treatment, briefly
  10. 21Fragrances
  11. 22Nonverbal greeting
  12. 23Consecrate
  13. 25*Fundraising events for some libraries
  14. 28Flat tire problem
  15. 31Playwright O'Neill
  16. 32Nevada city near Lake Tahoe
  17. 33Horned equine
  18. 37Capital of Switzerland?
  19. 38*Airport announcement
  20. 41Moody rock genre
  21. 44"Now, listen ... "
  22. 45Speller's phrase
  23. 49Martin of TV's "Mission: Impossible"
  24. 51Person from Ljubljana, e.g.
  25. 53*First Amendment guarantee
  26. 57Audacity
  27. 58Challenge for a biker
  28. 59"Rebecca" novelist du Maurier
  29. 62__ al-Fitr
  30. 63De Armas of "Knives Out"
  31. 64Spies with divided loyalties, and what the answers to the starred clues are
  32. 67First number in many countdowns
  33. 68Likable enough
  34. 69Get together
  35. 70NNW opposite
  36. 71Warns
  37. 72Bygone Palm smartphone

Down

  1. 1Feature of some wedding receptions
  2. 2Rest on top of
  3. 3Speaker's stand
  4. 4Go wrong
  5. 5Adorable
  6. 6Toothbrush brand
  7. 7Arroz con __: chicken dish
  8. 8Childish retort
  9. 9PBS chef Martin
  10. 10Retired boomer, for short
  11. 11Frozen brand that "nobody doesn't like"
  12. 12Gridiron sides
  13. 13Formidable rivals
  14. 15Bread box?
  15. 18Being, in Latin
  16. 22Dog's nonverbal greeting
  17. 24Plod along
  18. 26Part of an ear
  19. 27Belted out
  20. 29Stylish filmmaker
  21. 30Leg-bending joint
  22. 34German pronoun
  23. 35"Evita" narrator
  24. 36Boathouse collection
  25. 39"Now!"
  26. 40Roof overhang
  27. 41Toppers in Santa's workshop
  28. 42Military branch at Camp Pendleton
  29. 43Narrow, as some bridges
  30. 46More calm
  31. 47Possible guest
  32. 48Must
  33. 50Wilmington's st.
  34. 52Universal donor's type, briefly
  35. 54Bring out
  36. 55__-toothed cat
  37. 56Challenge for a bowler
  38. 60Gas brand with toy trucks
  39. 61"Uh-uh"
  40. 64Genetic info carrier
  41. 65Canola __
  42. 66CPR giver

The answer to “Sleep acronym” in the The Washington Post crossword is REM — a 3-letter word. It most recently appeared in the The Washington Post crossword on July 15, 2026, a Wednesday puzzle, at 19-Across. Below you'll find why that fill fits, every other answer we've recorded for this clue, and links into the puzzle it came from.

“Sleep acronym” answer

REM (3 letters)

Reveal the solution one letter at a time with the tiles above if you'd rather nudge yourself toward it than see the whole word at once. Just want it outright? The answer is REM.

Why the answer is REM

This acronym is essential for dreaming and resting well! 😴

What does REM mean?

Reading the plain dictionary sense of REM is often the fastest way to see why it answers this clue.

(noun)

  • a unit of effective absorbed dose of ionizing radiation in human tissue, loosely equivalent to one roentgen of X-rays

When else has “Sleep acronym” appeared?

The Washington Post reuses clues across dates, sometimes with a different answer depending on the grid. Here's where this exact clue has shown up, and what the answer was each time — handy when you're checking whether today's fill is the only one.

July 15, 2026 (most recent) → REM. We haven't indexed another appearance of this exact clue yet.

Frequently asked questions

What is the answer to “Sleep acronym”?

The answer is REM, a 3-letter word. It most recently appeared in the The Washington Post crossword on July 15, 2026.

How many letters is the answer to “Sleep acronym”?

3 letters: REM.

When did this clue appear?

Most recently in the The Washington Post crossword on July 15, 2026 (a Wednesday puzzle), at 19-Across.

Can “Sleep acronym” have a different answer?

Yes — The Washington Post sometimes reuses a clue with a different solution to fit the grid. The answers we've recorded for each date it appeared are listed above when available.

Where can I find the rest of this day's WaPo Crossword answers?

The full grid for July 15, 2026 is on the WaPo Crossword answers page, with every clue and answer from that puzzle.

The Washington Post Crossword is published by The Washington Post; WordHint is an independent site and is not affiliated with or endorsed by the publisher.

Crossword Clues

Looking up a clue? Jump into today's answers and clue help from top puzzles.