There are 54 sleeps (54 days) until December 16 (Wednesday, December 16, 2026).
There are 54 days until December 16 (Wednesday, December 16, 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 16. Sleeps are the same as days.
54 sleeps is 7 weeks and 5 sleeps.