There are 360 sleeps (360 days) until October 19 (Tuesday, October 19, 2027).
There are 360 days until October 19 (Tuesday, October 19, 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 19. Sleeps are the same as days.
360 sleeps is 51 weeks and 3 sleeps.