There are 352 sleeps (352 days) until October 11 (Monday, October 11, 2027).
There are 352 days until October 11 (Monday, October 11, 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 11. Sleeps are the same as days.
352 sleeps is 50 weeks and 2 sleeps.