There are 164 sleeps (164 days) until April 5 (Monday, April 5, 2027).
There are 164 days until April 5 (Monday, April 5, 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 April 5. Sleeps are the same as days.
164 sleeps is 23 weeks and 3 sleeps.