There are 125 sleeps (125 days) until February 25 (Thursday, February 25, 2027).
There are 125 days until February 25 (Thursday, February 25, 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 February 25. Sleeps are the same as days.
125 sleeps is 17 weeks and 6 sleeps.