Sleep tracking, October 2026: 1 open gap — 0 closed, 3 opened.

What was read

6 companies placed; 6 read during October 2026.

• Sleep CycleOct 1, 2026
• Rise ScienceOct 1, 2026
• PillowOct 12, 2026
• OuraOct 1, 2026
• Accuracy of sleep scoresOct 1, 2026
• People with trouble sleepingOct 1, 2026

Gaps closed and opened

3 themes were raised about two or more of 6 read companies; 1 shares no word with anything a company declares. Against the previous month: 3 gaps opened and 0 closed (0 now share a word with a declared capability, 0 no longer raised about two companies). Themes are compared by their words, so a theme the reading reworded counts as one closed and one opened.

Opened · 3

Accuracy and output quality, Free tier, trial and paywalled features, Price level

Now answered in the declared names · 0

—

No longer raised about two companies · 0

—

• ◌ Free tier, trial and paywalled featuresraised about 3 of 6 · no declared match
• ◌ Price levelraised about 3 of 6 · no declared match
• ◌ Accuracy and output qualityraised about 2 of 6 · no declared match

Who entered

0 companies placed; 5 products sighted by a search and not yet read (Naptick AI, Renight, Google Health (formerly Fitbit app), Hiyd, Circular Ring 2).

• Naptick AI — sighted Oct 5, 2026 · source
• Renight — sighted Oct 5, 2026 · source
• Google Health (formerly Fitbit app) — sighted Oct 5, 2026 · source
• Hiyd — sighted Oct 5, 2026 · source
• Circular Ring 2 — sighted Oct 5, 2026 · source

Pricing moves

4 of 6 read companies have a pricing entry on record; 8 pricing changes recorded across 4 companies this month.

• Sleep Cycle [FACT] Oct 26, 2026 · 3 changes this monthThe free trial for Sleep Cycle Premium was reduced from 60 days to 30 days. source
• Pillow [FACT] Oct 12, 2026 · 2 changes this monthPillow currently offers its Premium subscription on an annual basis only, with monthly plans not available, and a 7-day free trial before billing. source
• Rise Science [FACT] Oct 1, 2026 · 2 changes this monthRise Science's standard public price is $69.99/year ($5.83/month) with a 7-day free trial on the annual plan; monthly and lifetime plans exist but their prices are not published on the help-center page reviewed. source
• Oura [COMPANY CLAIM] Oct 1, 2026 · 1 change this monthOura's hardware is priced $349 (Silver/Black titanium) up to $499 (Gold/Rose Gold/Ceramic) for the Ring 4, with Ring 5 starting at $399; membership is $5.99/month or $69.99/year, with the first month free on a new ring. source

What users raised

20 themes raised by users; the most raised: Free tier, trial and paywalled features (3 of 6), Price level (3 of 6), Accuracy and output quality (2 of 6).

• Free tier, trial and paywalled features 3/6
• Price level 3/6
• Accuracy and output quality 2/6
• Billing, fees and cancellation 1/6
• Bugs and reliability 1/6
• Content and catalog depth 1/6
• desire to avoid wearing anything to bed (wearable discomfort) 1/6
• Discontinued Alertness Test feature 1/6
• distrust after trying many apps that "claim" to help but don't work 1/6
• Forced/opt-out-buried Sleep Aid feature rollout 1/6
• motionless-waking mistaken for sleep 1/6
• no native sleep-stage tracking or composite score 1/6
• orthosomnia / score-chasing anxiety 1/6
• phone apps less precise than wearables 1/6
• poor wake-detection specificity 1/6
• Reduced raw-data granularity after graph smoothing update 1/6
• skepticism that relaxation apps address root causes of insomnia 1/6
• sleep stage misclassification 1/6
• Sync and offline 1/6
• Usage limits and caps 1/6

Funding by quarter

Withheld: something was read in 1 of the last 8 quarters. A series needs at least 2 to say anything a single reading does not.

The ledger this month

33 observed claims recorded this month, 4 sources that did not answer.

• PRODUCT · 9
• PRICING · 8
• DISCOURSE · 7
• COMPLAINT · 5
• FUNDING · 2
• PEOPLE · 1
• POSITIONING · 1