There are 157 sleeps (157 days) until March 29 (Monday, March 29, 2027).
There are 157 days until March 29 (Monday, March 29, 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 March 29. Sleeps are the same as days.
157 sleeps is 22 weeks and 3 sleeps.