There are 313 sleeps (313 days) until September 1 (Wednesday, September 1, 2027).
There are 313 days until September 1 (Wednesday, September 1, 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 September 1. Sleeps are the same as days.
313 sleeps is 44 weeks and 5 sleeps.