There are 254 sleeps (254 days) until July 4 (Sunday, July 4, 2027).
There are 254 days until July 4 (Sunday, July 4, 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 July 4. Sleeps are the same as days.
254 sleeps is 36 weeks and 2 sleeps.