There are 364 sleeps (364 days) until October 23 (Saturday, October 23, 2027).
There are 364 days until October 23 (Saturday, October 23, 2027) — 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 October 23. Sleeps are the same as days.
364 sleeps is 52 weeks.