seodata.dev

keyword

humans are diurnal

Monthly search volume and cost-per-click data for "humans are diurnal" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=humans+are+diurnal&country=us" +--------------+------------------+ | volume | 320 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-26 | +--------------+------------------+
All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
circadian rhythms and sleep 3,600 $2.57 6/20
circadian clock 1,900 $0.11 8/20
can human be nocturnal 720 $0 7/20
can humans be nocturnal 720 $0 6/20
are humans diurnal 320 $0 15/20
are humans nocturnal 320 $0 9/20
circadian clock in humans 70 $0 6/20
are humans nocturnal or diurnal 40 $0 10/20
why are humans diurnal 30 $0 11/20
human circadian clock 20 $0 6/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=humans+are+diurnal&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt