There are 126 sleeps (126 days) until February 26 (Friday, February 26, 2027).
There are 126 days until February 26 (Friday, February 26, 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 26. Sleeps are the same as days.
126 sleeps is 18 weeks.