There are 23 sleeps (23 days) until November 15 (Sunday, November 15, 2026).
There are 23 days until November 15 (Sunday, November 15, 2026) — one sleep per night.
One sleep per night between now and the big day — tonight is the first sleep, and the morning after the last sleep is November 15. Sleeps are the same as days.
23 sleeps is 3 weeks and 2 sleeps.