There are 40 sleeps (40 days) until December 2 (Wednesday, December 2, 2026).
There are 40 days until December 2 (Wednesday, December 2, 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 December 2. Sleeps are the same as days.
40 sleeps is 5 weeks and 5 sleeps.