| Clue | Source | Date |
|---|---|---|
| Local number, at times | LA Times Daily | 14 Oct 2023 |
| Prime number? | LA Times Daily | 28 Jul 2022 |
| Insensibility | Newsday | 19 Feb 2022 |
| Number? | Wall Street Journal | 30 Nov 2021 |
| Operating room number? | Universal | 21 Nov 2020 |
| Pre-surgery procedure | USA Today | 11 Oct 2019 |
| Pre-surgery procedure | ||
| Loss of bodily sensation | Family Time | 21 Jan 2018 |
| "Feeling no pain" state | ||
| Surgical tool | ||
| It can knock you out | ||
| It can knock you out | ||
| Cause of senselessness | ||
| Cause of senselessness | ||
| Operator's number? | ||
| Number of folks? | ||
| Operating room number? | ||
| Operating room number? | ||
| Number of people | ||
| Unconscious state | ||
| Loss of bodily sensation | ||
| What nitrous oxide produces | ||
| Loss of feeling | ||
| Operating-room process | ||
| Sleep of a sort. | ||
| Temporary dullness of perception. | ||
| Number of patients |