The signal: Sleep science is closely linked with other wellness trends. If you take a look at the r/sleep subreddit, for example, you’ll notice that its related subreddits give us insight into what sleep advocates also care about. Looking closely, you’ll notice that the space lies adjacent to the nootropics industry.


Melatonin, the chemical that helps regulate your Circadian rhythm, is sold over the counter in the United States. Consumers search for it thousands of times each month:

  • Melatonin: 1m searches per month
  • Melatonin supplements: 22.2k searches per month
  • Melatonin tablets: 27.1k searches per month