There are 91 sleeps (91 days) until January 22 (Friday, January 22, 2027).
There are 91 days until January 22 (Friday, January 22, 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 22. Sleeps are the same as days.
91 sleeps is 13 weeks.