There are 362 sleeps (362 days) until October 21 (Thursday, October 21, 2027).
There are 362 days until October 21 (Thursday, October 21, 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 21. Sleeps are the same as days.
362 sleeps is 51 weeks and 5 sleeps.