There are 290 sleeps (290 days) until August 9 (Monday, August 9, 2027).
There are 290 days until August 9 (Monday, August 9, 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 August 9. Sleeps are the same as days.
290 sleeps is 41 weeks and 3 sleeps.