Brandwave

Castlery vs Sleep Number:Which is more popular?

In September 2026, Castlery and Sleep Number were level in searches among bed frames worldwide, with an estimated 2.4K branded searches each, at 0.71% of the total each. When we asked ChatGPT and Google AI Overviews about bed frames, neither Castlery nor Sleep Number appeared in any of the five answers.

Among bed frames worldwide in September 2026

Who do people search for more?

Castlery and Sleep Number are searched for about as often as each other.

Castlery 2.4K searchesSleep Number 2.4K searches

Who does AI mention more?

Both were mentioned in 0 of 5 answers.

Castlery in 0 of 5Sleep Number in 0 of 5

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Top bed frames in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, neither Castlery nor Sleep Number showed up in any of the five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Thuma1st
  2. Saatva2nd
  3. IKEA3rd
  4. Zinus4th
  5. Article5th
  6. Floyd–
  7. Nectar Sleep–
  8. Castlery–
  9. Sleep Number–
  10. Avocado–
  11. +3 more

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • IKEA4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Thuma4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Zinus3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Article2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Saatva2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Floyd0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Nectar Sleep0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Castlery0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Sleep Number0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Avocado0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+3 more

See every answer about bed frames

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 22, 2026.

Is Castlery or Sleep Number more popular in search?

This chart shows how often people search Google for Castlery and Sleep Number by name. Each line represents a brand's share of searches for all 13 bed frames we track, month by month, from English-language searches worldwide.

Castlery and Sleep Number among bed frames worldwide, by month

Share of searches by month for Castlery, Sleep Number. The figures are in the table below the chart.

View monthly share of searches table
MonthIKEAThumaFloydZinusNectar SleepArticleCastlerySleep NumberAvocadoSaatvaEmma SleepMellowNovilla
Oct 202548.1%35.4%6.1%3.5%2.8%0.83%0.83%0.83%0.37%0.54%0.46%0.21%0.06%
Nov 202543.8%39.2%5.6%3.9%3.1%0.94%0.94%0.94%0.49%0.49%0.42%0.23%0.05%
Dec 202544.2%37.9%6.5%3.9%3.2%0.77%0.77%0.93%0.42%0.77%0.32%0.23%0.08%
Jan 202651.3%32%5.5%3.8%3.1%0.75%0.75%0.93%0.41%0.62%0.41%0.19%0.04%
Feb 202643.3%39%4.8%4.7%3.8%0.76%0.92%0.92%0.51%0.6%0.41%0.19%0.03%
Mar 202641.4%37.3%5.3%8.2%3.7%0.73%0.88%1.1%0.39%0.48%0.3%0.18%0.05%
Apr 202644.3%38%5.7%3.9%3.9%0.78%0.94%0.94%0.42%0.52%0.32%0.19%0.07%
May 202650.9%32.8%4.6%3.9%3.9%0.77%0.77%0.77%0.5%0.5%0.27%0.19%0.07%
Jun 202652.5%32.8%4.6%3.2%3.2%0.64%0.77%0.77%0.42%0.5%0.27%0.19%0.08%
Jul 202651.1%33.8%4.5%3.8%3.1%0.75%0.75%0.62%0.49%0.41%0.26%0.23%0.08%
Aug 202650.1%33.1%5.4%3.7%3.7%0.73%0.73%0.73%0.48%0.48%0.33%0.22%0.12%
Sep 202647.8%36.5%5.2%3.6%2.9%0.86%0.71%0.71%0.56%0.56%0.38%0.21%0.09%

How has the Castlery and Sleep Number comparison changed over the last 12 months?

3 findings
  • The lead changed hands once in the 12 months ending September 2026: Castlery took it in July 2026.
  • Across the 12 months ending September 2026, Castlery’s share of searches among bed frames worldwide moved from 0.83% to 0.71%, and its estimated monthly branded searches moved from 2.9K to 2.4K.
  • Across the 12 months ending September 2026, Sleep Number’s share of searches among bed frames worldwide moved from 0.83% to 0.71%, and its estimated monthly branded searches moved from 2.9K to 2.4K.

How did search popularity change for bed frames worldwide in September 2026?

2 changes

  1. Estimated monthly branded searches for Castlery worldwide fell 17.2% over 12 measured months, from 2.9K to 2.4K in September 2026.

  2. Estimated monthly branded searches for Sleep Number worldwide fell 17.2% over 12 measured months, from 2.9K to 2.4K in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Castlery’s and Sleep Number’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Castlery

1 branded search term

  • castlery bed

Sleep Number

1 branded search term

  • sleep number bed frame

How the Brand Demand Index is measured

Other head-to-heads among bed frames

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