Philadelphia – September 16, 2026 -- Guests who show up at any Insomnia Cookies bakery in the U.S. or Canada wearing pajamas on Tuesday, Sept. 15, can score one free Classic cookie, no purchase or Insomnia Rewards membership required.

The offer runs from 8 p.m. until close at most bakeries, with the Dayton, Ohio location celebrating from 6 to 10 p.m. instead. Limited-time and Deluxe cookies are excluded from the deal.