There are 178 sleeps (178 days) until April 19 (Monday, April 19, 2027).
There are 178 days until April 19 (Monday, April 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 April 19. Sleeps are the same as days.
178 sleeps is 25 weeks and 3 sleeps.