There are 86 sleeps (86 days) until January 17 (Sunday, January 17, 2027).
There are 86 days until January 17 (Sunday, January 17, 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 January 17. Sleeps are the same as days.
86 sleeps is 12 weeks and 2 sleeps.