There are 63 sleeps (63 days) until December 25 (Friday, December 25, 2026).
There are 63 days until December 25 (Friday, December 25, 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 25. Sleeps are the same as days.
63 sleeps is 9 weeks.