There are 258 sleeps (258 days) until July 8 (Thursday, July 8, 2027).
There are 258 days until July 8 (Thursday, July 8, 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 8. Sleeps are the same as days.
258 sleeps is 36 weeks and 6 sleeps.