There are 52 sleeps (52 days) until December 5 (Saturday, December 5, 2026).
There are 52 days until December 5 (Saturday, December 5, 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 5. Sleeps are the same as days.
52 sleeps is 7 weeks and 3 sleeps.